Showing 37–72 of 80 results

Meter Scale, Hardwood

Horizontal reading, length one meter and width 25 mm. Double scale, one edge divided in inches and tenths and other in centimeters and millimeters also available graduated in vertical readings.

Micrometer Screw Gauge

Micrometer Screw Gauge • Strong rugged metal construction. • Economical, suitable for all uses, teaching, demonstration, labs, machine shops. • Measuring screw handle, Satin finish with friction knurling for easy rotation. • With locking mechanism to hold measurements. • 25 x 1 mm, reads to 0.01 mm. • Supplied with hex wrench for zero adjustment and plastic case for storage.

Newton Meters

Plastic, tubular Newton spring balances. Each range is colour coded for convenience and is graduated in both grams and Newtons. The spring mechanism is clearly visible and zero adjustment is incorporated.
CapacitySub-division 
250gm 2.5N 
500gm 5N 
1 Kg 10N 
2 Kg20N 
3 Kg 30N 
5 Kg50N 

Parallelogram of Forces Apparatus

To verify the relationship between forces action at a point. Comprises board 65x50cm with two aluminium pulleys 50mm dia on clamp for mounting in any position. Complete with three hangers iron nickel plated 50gm and 12 slotted weights of 50gms each.

Parallelogram of Forces Apparatus wooden

This apparatus demonstrates the relationship between forces acting at a point. Comprised of: a board 25.5" x 19.7", two aluminum 50mm diameter pulleys on clamps, three iron nickel plated hangers, twelve slotted weights - 50g each

Pendulum Bobs dia 25mm- Set of 3 (Brass, Copper & Iron)

Set of 3 metal spheres of 25mm dia with a small ring Comprising a solid sphere of one each brass, copper & iron having diameter of 25 mm with a small ring for suspension.

Photo Gates & Leads

These pair of photo gates is housed in tough moulded cases giving them excellent durability. The lamps operate on 6 Volts with a special built in circuitry which prevents lamps from damage in case higher voltage is applied accidently. The photo gates can be connected by 4 mm. sockets to a timer and power supplies.

Pulley Bench Clamp Fitting

Pulley carried on a two part plastic frame, designed primarily for clamping to the edge of a bench, table etc. With the pulley overhanging the edge and in a vertical plane. The two different sizes are shown in the picture below.

Pulley Blocks

50mm. diameter plastic pulleys are carried in tough plastic frames. Dearing pin is easily removable and has a simple locking arrangement which prevents the pin accidentally coming out. Blocks are provided with metal hooks. Single Pulley Blocks. Double Pulley Blocks. Triple Pulley Blocks.

Pulley Rod Mounted

50 mm. Plastic ball bearing pulley mounted on 150x10mm. dia rod.

Pulley Rod Mounting

Comprising a 50 mm diameter pulley carried on an aluminium boss, 20x20x110 mm. long provided with a hole and clamping screw to accommodate rods up to 13 mm diameter. Tapped holes are provided so that the pulley may be fitted on to the boss with its axis of rotation in any one of the three planes.

Pulley Single

Bench mounting, aluminium, 50 mm. diameter, in metal frame for clamping to benches or boards up to 25 mm thick.

Pulley With Universal Clamp

A 5 cm. aluminium 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 12.5 mm. Its two clamping screws have bakelite knobs for easy working.

Pulleys

Mounted in metal frame, with two hooks and accurately centered alingned. Single Double Double Triple Triple 2 Hooks Parallel Long Parallel Long

Pulleys Bench Clamp Fitting

Comprising a 50 mm diameter pulley, carried on a two part aluminium frame, designed primarily for clamping to the edge of a bench, table etc. With the pulley overhanging the edge and in a vertical plane. Overall length of frame (pulley bar) 110 mm. Maximum clamp opening 25 mm.

Pulleys Differential Triple

One-piece aluminium of 38, 50 and 62 mm. mounted in metal frame with hook

Ring & Ball

An apparatus for demonstrating thermal expansion, comprising a captive brass ball secured to a mounted brass ring by a chain. Ring mounted on rod with a wooden handle. The ball passes through the ring when cold but will not pass through after being heated. Ball dia. 25 mm.

Rules Steel

Made of steel, graduated in centimeters and millimeters. Rule Steel is available in size 30 cms, 50 cms, and 1 meter.

Screw Gauge Micrometer Demonstration

Screw Gauge Micrometer Demonstration • About 200 mm long, made of aluminum. • Black spray painted individually packed. • Measurements are approximate

Screw Gauge Micrometers

Screw Gauge Micrometers • Stainless Steel screw (rod) accurately machined. • Brass body, dull nickel plated finish. • 25 mm x 1 mm pitch. • This item is sold individually.

Set of Masses, Brass

Set comprises masses of brass with slots, brass hangers with hook. Fine finish, masses removable and replaceable on hanger. Set of 9 weights, one hanger each of 10 gm. Total weight 100 gm. Set of 9 weights, one hanger each of 25 gm. Total weight 250gm. Set of 4 weights, one hanger each of 50 gm. Total weight 250gm. Set of 9 weights, one hanger each of 100gm. Total weight 1000gm. Set of one hanger 20 gm. three weights 20 gm. Total weight 100gm. Set of one hanger 50 gm, nine weights 20 gm. One weight 10 gm. and two weights 5 gm. Total 250 gm. Spare slotted weights and Hangers 5gm., 10gm., 20gm., 50gm., and 100 gm. are also available.

Set of Springs

Set of springs are flexible with hooks on both sides.

Set of Springs

Closely wounded Steel extension springs with loops at both sides, dia 6 mm approx. Closely wound with loops at both sides, dia. 6 mm approx. wire of 19 swg. Length 150 mm, Extension 230 mm average for 200g load

Slotted Mas Set Iron

Made from iron shaft with slots painted in black color. Hanger and Mass each of 500 gm. Total weight 2.5 kg. Hanger and Mass each of 1 kg. Total weight 5 kg.

Slotted Mas Set-Cast Iron

A set of slotted iron masses suitable for use with sono-meters or other applications where a large load is required. The masses and hanger are finished in black color. Hanger and Mass each of 500 gm. Total weight 2.5kg. Hanger and Mass each of 1 kg. Total weight 5 kg.

Specific Gravity Blocks

Consisting one block each of brass, aluminium, steel and copper. Set of Four (A) Aluminium , (B) Copper , (C) Brass, (D) Steel. The sizes of the blocks are 50x13x13 mm.

Specific Gravity Specimen Cylinders with Hooks

For specific gravity determinations. Each cylinder is 5 cm. long and 13 mm. diameter. Metals included are of aluminium, steel, brass and copper. Available in set or individually. Set of Four 13mm. Aluminium Copper Brass Steel

Spherometer

Spherometer Spherometer for the accurate measurement of the radius of curvature of spherical lenses. Made of brass with a vertical scale of 10-0-10mm. A micrometre scale with 100 divisions

Spherometer Demonstration Model

Spherometer Demonstration Model • 140 mm diameter (approx.) dials head. • Made of aluminum, baked stove enamel finish

Spherometer Laboratory

Spherometer Laboratory • Brass dial head 40 mm diameter, mounted on stainless steel screw. • Head divided into 100 divisions, reading to 0.01 mm and registering on vertical scale 10-0-10. • Frame with three legs of stainless steel. • Distance between two legs is 40 mm approximately. • Pitch 1mm.

Spring Extension, Steel

For demonstrating Hook's Law. Spring Extension 15x55 mm. length.

Stop Clock, Mechanical

Two sweep hands, one indicating seconds, the other recording minutes. Start-stop lever on the left hand side, zero reset lever on right hand side. Movement housed in metal case. Runs for 24 hours on one winding. Diameter of dial 100 mm. divided 0-60 x 1. In white powder coated metal case.

Stop Watches

Chrome plated steel case, non-rusting, dust and damp-proof, 7- Jewelled lever movement bold figures, white dial and black steel hands. With start, stop and resent arrangement. 1/5th seconds 30 minutes 1/10th seconds 60 minutes

Surface Tension Balance, Searle’s

A horizontal frame is mounted on a rod fitted to a base & carries a steel wire stretched across it, the tension of which can be adjusted by a tightening screw. A light metal pointer with a counterpoise is attached to the centre of the wire clamp. A pan is hung from a notch in the pointer and has a hook at its underside from which can be suspended a light weight rectangular frame or a metal clip to hold a micro slide edge. The tip of the pointer moves over a graduated scale. With rectangular wire frame, slide clip, six micro slides & 3 meters of spare wire.

Tape Measures

Both sides metric or one side metric and other in feet-inches Fiber glass with PVC covering. Non-conducting, waterproof, washable, and water-resistant. Case made of zinc-coated steel sheet, covered with vinyl, & fitted with a flush winding handle. all metal fittings are chrome-plated. The Tape Measures are provided in size 5 meters, 10 meters, 15 meters, 20 meters, 25 meters, 30 meters.

Ticker Tape Timer

For the measurement of velocity and acceleration, using timing marks made on a moving paper tape by a vibrating striker. Designed to operate on a 12V A.C. supply and uses the mains frequency as its timing standard. The unit is housed in a moulded case including mounting flanges. The top of the case caries a tape guide which incorporates a carbon paper disc support and an adjustable anvil for the striker point. All moving parts are fully enclosed and a pair of 4mm sockets are provided on the side of the case for connection of the electrical supply. Supplied with a roll of self marking paper tape. Paper tape : 100m of paper tape, 9.5mm wide. Carbon Paper Discs : 40mm diameter, with 3mm hole, cut from long life plastic film type carbon paper.