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Mechanics
Description Order
Overflow Can with Spout $ 0.00
An aluminum can of seamless construction is 13cm high, has 11cm diameter, and has a spout about 3cm long. Used along with our Catch Bucket, no. 1378, for experiments involving volumetric displacement of liquids, such as density, specific gravity, Archimedes Principle, volume of irregularly-shaped bodies, etc. With instructions.
Catch Bucket $ 0.00
(See 1377 for photo.) Used in combination with our overflow can (no. 1378) for collecting the liquid flowing out of the spout of the overflow can. The volume of liquid collected in the catch bucket helps in calculation of various results for the objects immersed in the overflow can. Made of aluminum sheet with handle, size approximately 10 x 8cm. With instructions.
Archimedes' Principle Apparatus $ 0.00
Also called Bucket and Cylinder apparatus. All brass, chrome-plated, 50 x 19mm bucket with handle and a hook at the bottom. The cylinder has the same volume as the bucket and has a hook at its top. With instructions.
Density Rod $ 0.00
Consists of a hollow cylinder sealed at both ends and calibrated to float in cold water and to sink in hot water. For demonstration of the dependence of density of water on various factors such as temperature, pressure, nature and concentration of other substances added to water, etc. With instructions.
Elasticity of Gases/Boyles Law Apparatus $ 0.00
Simple apparatus for approx. demonstration of Boyle’s law. Graduated, plastic syringe mounted on a wooden block; lubricated piston of the syringe mounted on another wooden platform. Different weights can be stacked on top platform, and measurement of pressure v. volume made. Instructions included.
Roman Arch Set $ 0.00
The arch kit demonstrates Roman architectural skills in the construction of high load-bearing structures such as support bridges, aqueducts, domed basilicas, etc. -- all of which were extremely strong and durable. The kit uses the principle of KEYSTONE and high, compressive strength of the stones and rocks. Contains 23 blocks and one three-parts preassembled buttress. The arch, when assembled, is capable of supporting even the weight of a man! With instructions.
Moments of Force Apparatus with Weight Set $ 0.00
A wooden meter-rule graduated in mm acts as a lever. The lever has a fulcrum at its center, which rests on a heavy, cast-metal support-stand. An adjustable nut-screw arrangement at each end facilitates initial balancing. Weights can be suspended on a pair of knife-edge clamps with hooks. A pair of brass weight hangers of 500g included. Weight set of 8 included.
Inclined Plane, Metal $ 0.00
Fully equipped for the study of horizontal and vertical force components, concept of friction, and various other physical concepts including force, work, energy, mechanical advantage, and conservation of mechanical energy, etc. Sturdy aluminum construction. The inclined plane, 10 × 60cm, is hinged to a base, 10 × 45cm. An aluminum arc scale, which can be mounted on the plane, is graduated to measure the angle of inclination from 0-45°, and vertical height to 25cm. A linear scale, graduated in cm, is attached to one side of the incline to measure distances along its plane. A 5-cm pulley, along with mounting clamp and rod, is fully adjustable. Complete with cylindrical roller with hook. With instructions. (Also see our no. 1763, Weight Pan, sold separately, for weight-loading experiments.)
Weight Pan $ 0.00
For use with apparatus such as inclined plane (no. 1762), mechanics set (no. 1873), etc., where weight loading is required. Plastic pan of diameter 10cm, with a raised collar to load a variety of small weights, has three strings for suspension. With instructions.
Wheel & Axle $ 0.00
Four wheels of diameter 12, 8, 4, and 2cm are machine-turned out of a single aluminum piece. This compound wheel is mounted in an aluminum bracket on cone bearings. The bracket has a chrome-plated rod that can be clamped to a retort stand and is coated with black oven-baked paint. With instructions.
Second Law of Motion Apparatus $ 0.00
Proves that two balls, when released simultaneously--one directed vertically, and the other horizontally--fall to the ground at the same time. A 20-cm steel rod is spring-loaded and mounted in two brackets on a sturdy metal base. Operating handle and two balls included. The base has a steel rod on the side, which can be mounted on a laboratory stand. With instructions.
Ballistics Car $ 0.00
This apparatus demonstrates that if a body is thrown vertically from another body moving horizontally at uniform velocity, the horizontal component of velocity of the body thrown vertically is the same as that of the body moving horizontally, and the horizontal component is independent of the vertical component of velocity. Thus, a ball ejected from the vertical barrel of the ballistic car moving with uniform velocity returns back to its original position into the barrel. The apparatus consists of a heavy, metallic barrel mounted vertically on an aluminum car. The car has plastic wheels with ball bearings to minimize friction. Spring-loaded piston arrangement with two compression settings of spring are provided for ejecting the ball to two different heights. Complete with steel ball and one lock-pin with cord. With instructions.
Dynamics Car, Set/2 $ 0.00
Demonstrates elastic-inelastic collisions and the law of conservation of momentum and mechanical energy. Pair of well-painted aluminum cars with a rubber bumper fixed on each car, and plastic wheels with ball bearings to minimize friction. Each car has provision for taking spring-steel bumpers. Top surface of the cars can be easily loaded with extra weights up to 90kg. Consists of 2 cars, 2 pairs spring-steel bumpers in two thicknesses, and 1 large spring-steel bumper. With instructions.
Mini Dynamics Cars, Set/2, Plastic $ 0.00
Smaller version of no. 1824, Dynamics Cars set. Pair of rectangular, plastic cars, 14 × 6cm, with rubber bumpers and removable wheels. Spring steel bumpers also provided. Recess at the center for accommodating weights (weights not included).
Inertia Apparatus $ 0.00
Polished wooden stand with a receptacle for a ball at the top. Wooden, 18-mm ball, a square piece of sheet metal, and a trigger of sheet-metal included. Pulling and releasing the trigger causes the square sheet to slide out from under the ball, dropping the ball in the receptacle by inertia. With instructions.
Maxwell Wheel $ 0.00
Metal wheel, 120 Dia. × 8-mm T, with an axle passing through its center, is suspended by a pair of threads from a 25-cm, metal cross-bar that can be mounted on a laboratory stand. Demonstrates the concept of conservation of mechanical energy through the conversion of potential into kinetic energy, and vice-versa. With instructions.
Precision Gyroscope $ 0.00
For demonstration of gyroscopic stabilization, gyrocompass, inertial guidance, principle of precession, etc. Dynamically-balanced, metallic rotor disc is mounted on a gimbal ring with cone bearings. Included are a plastic base with pivot cradle, and a second base with gimbal cradle. Cord included for rotating the rotor disc. With instructions
Pulley, Single, 2-inch Aluminum $ 0.00
Long-lasting. Aluminum, machine-turned pulley in aluminum frame. Wide grooves for whipcord so cord does not slip off easily. Two hooks. Diameter of pulley is 50mm.
Pulley, Double Parallel, 2-inch Aluminum $ 0.00
(See 1843A for photo.) Long-lasting. Aluminum, machine-turned pulley in aluminum frame. Wide grooves for whipcord so cord does not slip off easily. Two hooks. Diameter of pulley is 50mm.
Pulley, Triple Parallel, 2-inch Aluminum $ 0.00
(See 1843A for photo.) Long-lasting. Aluminum, machine-turned pulley in aluminum frame. Wide grooves for whipcord so cord does not slip off easily. Two hooks. Diameter of pulley is 50mm.
Pulley, Double Long, 2-inch Aluminum $ 0.00
(See 1843A for photo.) Long-lasting. Aluminum, machine-turned pulley in aluminum frame. Wide grooves for whipcord so cord does not slip off easily. Two hooks. Diameter of pulleys is 50 and 37mm.
Pulley, Triple Long, 2-inch Aluminum $ 0.00
(See 1843A for photo.) Long-lasting. Aluminum, machine-turned pulley in aluminum frame. Wide grooves for whipcord so cord does not slip off easily. Two hooks. Diameter of pulleys is 50, 37, and 25mm.
Pulley, Plastic, Deluxe, Single $ 0.00
Free-running, 5-cm plastic pulleys in aluminum frames. Groove for whip-cord. Two hooks.
Pulley, Plastic, Deluxe, Double Parallel $ 0.00
(See 1844A for photo.) Free-running, 5-cm plastic pulleys in aluminum frames. Groove for whip-cord. Two hooks.
Pulley, Plastic, Student's, Single $ 0.00
Inexpensive, 5-cm plastic pulley in metal frame.
Pulley, Plastic, Student's, Double $ 0.00
(See 1845A for photo.) Inexpensive, 5-cm plastic pulleys in metal frame.
Pulley with Universal Clamp, 2-inch Aluminum $ 0.00
A 5-cm aluminum pulley has a universal frame and can be clamped in any position to a wall, bench, drawing board, corner/edge of a table, or fitted to a retort-stand rod of diameter 12.5mm. Its two clamping screws have bakelite knobs for easy working.
Large Pulley with Universal Clamp, 3-inch Aluminum $ 0.00
A 7-cm aluminum pulley is fitted in a metal bracket. Two clamping screws with plastic knobs. Can be bench-mounted up to 3cm or fitted to a retort-stand rod of diameter 12.5mm
Pulley Illustration Set, Large $ 0.00
Highly versatile apparatus to demonstrate various concepts of pulleys and their configurations. Formica-covered, rectangular, wooden base has 2 sockets on its top in which metal rods can be screwed in vertically. At top of vertical rods, 2 right-angled clamps support a horizontal rod of same size. 8 collars-with-hook can be inserted on horizontal rod for suspending various pulleys. A capstan fitted on wooden base at one end, with hook for attaching a pulley at other end. Instructions included. Set includes: 1. Pulleys: 7 single, 2 triple long, and 2 quadruple 2. Wooden base: 81 × 20cm, fitted with 2 sockets, a capstan, and an eye-hook 3. Rods: 3 (dia. 12.5mm and length 81cm) 4. Collars with Hooks: 8 5. Right-Angled Clamps: 3 6. Wheel and Axle: 1 7. Cord: 1 roll 8. Tommybar: 1 9. Masses: Brass, slotted. 2 × 10g, 2 × 20g, 2 × 50g, 4 × 100g, 4 × 200g, 1 × 500g. Total 15 weights. 10. Weight hangers: Brass. 5 × 50g, 1 × 20g, 1 × 10g. Total 7 hangers.
Pulley Illustration Set, Small $ 0.00
A simpler version of no. 1870, with fewer components. Instructions included. Set includes: 1. Pulleys: 8 single, 2 double sheave 2. Wooden base: 20 × 15cm, fitted with one socket, a capstan, and an eye-hook 3. Rods: one vertical, 12.5mm × 61cm; one horizontal, 9.5mm × 20cm, with clamp. 4. Collars with hook: 6 5. Right-angled clamp: 1 6. Wheel and axle: 1 7. Cord: 1 roll 8. Tommy bar to tighten vertical rod: 1 9. Hooked Masses: Brass, with hooks. 1 × 10g, 2 × 20g, 1 × 50g, 1 × 100g, 2 × 200g, 1 × 500g, 1 × 1000g. Total 9 weights.
Mechanics Set $ 0.00
Allows experiments in statics and dynamics. Most parts of metal, well-finished, plated or painted, and easy to assemble. Set consists of: 1. Triipod stand: Finished in baked hammertone paint. Leveling screws and plated, metallic rod. Two base legs have hole each to take clips at no. 4. Third leg has through hole for a screw at no. 10. 2. Slide: Two half-meter scales, rigidly clamped at ends by L-sections with metal extensions for holding pulleys at no. 12. 3. Lever: Half-meter wooden scale with holes drilled every 2.5cm. 4. Clips: 2 pieces, 25-mm long stem with spring-steel clips to fit into holes of tripod base legs. 5. Clamps: 2 pieces, rectangular metal block with two through-holes and two tightening screws to take adapter at no. 6, slide holder and pivot at no. 8 and no. 9. 6. Adapter: Metal cube 25mm with through holes for using with clamps at no. 5 and slide holder at no. 8. Tightening screw and stem (diameter 12.5mm, length 25mm). 7. Right-Angled Support: Well-painted, right-angled, metal bracket with collar and tightening screw. Pulley at no. 11 can be hung through its hole. 8. Slide Holder: Metal block raised at center on top to take slide. With washer and a tightening screw. Stem diameter is 12.5mm, length 25mm. 9. Pivot: Length 25mm, diameter 12.5mm, with spindle (diameter 3mm) and milled-head nut. For use with lever at no. 3. 10. Screw: Milled-head screw 37mm long, with washer and wing nut. For use with slide at no. 2. Slide can also be held vertically to base with help of this screw. 11. Pulley: Metal pulley, diameter 70mm, in open metal frame with two hooks. 12. Pulleys: 2 pieces, as above, diameter 50mm. 13. Roller with Bracket: Weight about 500g. Diameter 37mm with two pivoted yokes and two hooks. 14. Disc: Diameter 50mm, accurately centered with axle pin. 15. Pendulum Bob: Wooden, with hook and pointer. 16. Pendulum Bob: As above, metal. 17. Cord: About 3m length with two rings. 18. Tommybar to tighten rod into tripod base. (Also see our no. 1763, Weight Pan, sold separately, for weight-loading experiments.) All items housed in suitable carton.
Force Table, Deluxe $ 0.00
(Shown with 1875.) Thick, precision-turned, 40-cm circular table made of aluminum. Table surface finished with scratch-resistant black paint. Surface at outer edge graduated to a full 360° at 1° intervals with readings at every 10° interval. Table fits at top of a 37-cm aluminum pipe, which in turn fits on a heavy, aluminum tripod-base with 3 leveling screws. Four 5-cm pulleys can be clamped anywhere along the rim of the force table. Table top carries a detachable pin at its center, around which a ring can be balanced by means of strings tied to it that pass over the 4 pulleys clamped to the rim. The other ends of the strings carry 4 rings, which take weight hangers. Complete with 4 pulleys (no. 1855) and 4 slotted weight sets. Each weight set consists of one hanger 100g, and slotted weights of 100, 50, 20, and 10g. Complete Force Table contained in a carton. Instructions included.
Slotted Weight Set for Force Table $ 0.00
(See 1874 for photo.) Slotted weight set consisting of one hanger 100g, and slotted weights 100, 50, 20, and 10g in one set.
Pulley-on-Clamp for Force Table, 2 $ 0.00
(See 1874 for photo.) As 1854, with 50mm-diameter pulley and bracket for bench mounting to 2.5cm.
Rings with Cords for Force Table $ 0.00
(See 1874 for photo.) Four strings attached to a center ring. The other ends of the strings have four rings for weight hangers. Weight hangers sold separately.
Center Pin for Force Table $ 0.00
(See 1874 for photo.)
Moments Attachment for Force Table $ 0.00
(Photo includes Force Table, our 1874, which is sold separately.) An attachment for use with our Force Table, useful for study of static equilibrium of a rigid body under the action of forces, all in the same plane. Two 25-cm aluminum discs of thickness 8mm are separated by 3 steel balls. A removable peg in the lower disc protrudes through an enlarged opening in the upper disc. Thus, the upper disc is free to move horizontally until constrained by the peg. The upper disc has several holes to take pegs whose positions can be changed. The disc arrangement is mounted on top of the force table. Included are 2 aluminum discs, 4 metal lugs to fit holes on the upper disc, set of 4 strings with metal rings at both ends, 3 ball bearings, and arrangement for raising the pulley brackets to compensate for the height of the plate attachment. Instructions included.
Loop-the-Loop $ 0.00
Also called Centrifugal Railway and Carriage. Demonstrates transformation of potential into kinetic energy. A V-shaped, 120-cm, metal track in the shape of a loop is fitted on a rectangular wooden base, 42 × 11cm. Longer end of the loop stands at an angle to the base and is 50cm high. A steel ball, let loose at upper end of the loop, traverses the track at a fast speed without falling, while climbing the upper track of the loop upside down. Instructions included.
Hooke's Law $ 0.00
An important instrument for demonstrating potential energy, vibrating masses, and Hooke's Law. A heavy, 10-cm diameter base has an upright, 25-cm rod. A finely-polished, aluminum scale graduated 0-120mm is mounted on the rod and can be adjusted along it. An adjustable collar fitted at the top of the rod carries a crossbar from which a spring is suspended. The lower end of the spring carries a weight hanger with a built-in pointer, which moves over the scale when loaded with weights. Demonstrates the relationship between the extension of the spring to the load producing the extension. With instructions.
Young's Modulus, Searle's Design $ 0.00
For determination of Young’s Modulus of the material of a wire or for comparison of the Elastic Moduli of two different substances. Consists of two rectangular, metal frames hinged parallel to each other, carrying chucks at the upper ends and hooks at the lower ends. A spherometer reading to .01mm and a vertical scale 10-0-10mm are also provided. Included are a ceiling bracket with a pair of chucks for hanging the assembly, and a set of hard steel and brass wires in two different diameters. With instructions.
Young's Modulus, Simplified $ 0.00
Instead of the elaborate frames in Searle's design, two simple, square rods are attached together by flexible, phosphor-bronze strips. Other features as in 1960A. With instructions.
Accessory Set for Young's Modulus $ 0.00
Consists of the following: a. Compensating weight. b. Spare set of 4 coils of wire, 2 of steel and 2 of brass, of two different diameters. c. Slotted weights. Iron. Set of 9 weights and one hanger, 500g each. Total 5kg.
Hand Rotator, or Whirling Table $ 0.00
Also called Whirling Table. Useful for experiments in mechanics. Can be used in both vertical and horizontal positions. Heavy, 50-cm high, cast-iron stand has a 17-cm driving wheel with handle. Ball-bearing spindle fitted at upper end of stand has a small pulley driven by a belt passing over the wheel. Adjustment provided in driving wheel for tightening belt. A socket with a tightening screw is fixed at the end of the spindle to take accessories to be rotated. With instructions.
Belt for Hand Rotator $ 0.00
(See 1988 for photo.)
Newton's Color Disc, for Hand Rotator $ 0.00
Accessory for no. 1988. An 18-cm circular disc with 7 color sectors demonstrates that different colors of the spectrum produce white color when rotated.
Centrifugal Hoop, for Hand Rotator $ 0.00
(See 1988 for photo.) Accessory for no. 1988. Illustrates flattening of the earth at the poles. Two phosphor-bronze hoops that are secured to an axis rod at the bottom are free to slip at the top along the rod. When the rod is rotated rapidly, the hoops flatten by centrifugal force.
Sphere of Glass, for Hand Rotator $ 0.00
(See 1988 for photo.) Accessory for no. 1988. Shows the effect of centrifugal force on the distribution of mass of a fluid body. Spherical, 10-cm, glass bulb with a metal holder and spindle.
Watt's Governor, for Hand Rotator $ 0.00
(See 1988 for photo.) Accessory for no. 1988. Shows that the top speed of rotating equipment can be controlled. As the governor is rotated rapidly, the weights attached to the two arms spread outward by centrifugal force but are arrested by the two levers as the collar holding the levers rises upward.
Free Fall Tube $ 0.00
Demonstrates that light and heavy objects fall at the same speed in vacuum. Consists of a transparent, plastic tube, 67 L × 3.8-cm Dia., tightly sealed at both ends with plastic caps. Cap of one end of the tube has a leak-proof stopcock through which vacuum can be created (vacuum pump not supplied). Comes with a lightweight object—a feather. A small coin may be used as a heavy object. With instructions.