Mechanics


Friction Board Apparatus

Code: PHMC0179

Wooden friction board 490 x 75 x 20 mm. a wooden slider with hook 140 x 70 x 20 mm. a plain aluminium slider and an aluminium slider with rubber backing. A further long aluminium slider is provided which fits over the friction board to provide an alternative surface type.

Inclined Plane With Angle Measurer

Code: PHMC0182

Wooden friction board a wooden slider with hook and plain glass slider A further long glass slider is provided which fits over the friction board to provide an alternative surface type.

Parallelogram Of Forces Apparatus

Code: PHMC0185

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 50 gm. and 12 slotted weights of 50 gms. each.

Force Table

Code: PHMC0188

To verify the law of composition and resolution of forces consisting of a aluminium table 40cm in dia. its raised rim has a engine divided scale, graduated in 360° mounted on heavy vertical support rod & tripod base provided with leveling screws. Body under study in a ring in center of the table fastened by cords passing over four pulleys attached with the table. Complete with four pulleys, four weights hangers twelve weights (2x10gm, 2x20gm, 4x50gm, 4x100 gm.)

Surface Tension Balance, Searle's

Code: PHMC0191

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.

Ticker Tape Timer

Code: PHMC0194

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.

Power Pack For Ticker Tape Timer

Code: PHMC0197

Stop Clock, Mechanical

Code: PHMC0200

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.

Digital, Stop Clock

Code: PHMC0203

This sturdy, lightweight stopwatch has multiple functions you'll use every day, including time and date mode, stopwatch mode, and an alarm ! Digital Stop Clock has 1/100 Sec. (upto 10 Hrs.)* Big Digit, Time, Timer Alarm.

Digital, Stop Clock

Code: PHMC0206

Timer, showing normal time, hours, minutes, seconds. Days, dates, months are displayed, 1/100th second. With alarm.

Stop Watches

Code: PHMC0209

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

Centi Second Meter

Code: PHMC0212

'Gravity' By Free Fall Apparatus

Code: PHMC0215

For determination of 'gravity' by free fall method. The apparatus consists of an electromagnet which is housed in a plastic moulded case. with socket connections provided to energize the magnet and another pair of sockets for connection to the timers. In use, the electromagnet is energized and a metal sphere is attached. As soon as the power to the electromagnet is switched off the sphere falls and the unit activated the timer. The sphere hits a platform which is connected to a micro switch which then stops the timer and the time of fall can be determined.

Laboratory Timer

Code: PHMC0218

This is a versatile timer quartz crystal controlled for very high accuracy, which can be used for conducting experiments related to timing and motion with high accuracy. Can be used for G by free fall liner air tracks, dynamic trolleys etc. This timer has an in built power supply for the coil for G by free fall apparatus and lamps for photo gates.
Range : 0.001, 0.01, 0.1 Sec.
The above timer has a built in power source for photo gates and the coil for 'G' by free fall apparatus.

Linear Air Track

Code: PHMC0221

Angular section aluminium alloy track, length 255cms, with staggered air holes, supported on two light alloy castings positioned 45 cm from each end of the track. One support has a two- point contact and other one-point contact for lateral and horizontal adjustments for which a knurled screw is provided. Large catapult arms with slots for elastic bands are fitted to each end of the track. A fully fitted to one end of the track enables experiments involving acceleration under a constant force. Identical end caps enable air to be introduced from either end of the track, bung being supplied to close the end not being used. The vehicle buffer attachments and clamping screws are matt black to help interpretation of stroboscopic photographs.

Photo Gates & Leads

Code: PHMC0224

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.

Electric Blower

Code: PHMC0227

The blower is supplied with the standard hose, length 2m, and the integral 2-core mains cable, length 5m. The cylinder has a completely insulated outer case rendering an earth connection unnecessary.

Bar & Gauge

Code: PHMC0230

For illustrating expansion by heating and contraction by cooling comprising a mild steel bar 110x10mm (lenght), on rod with wooden handle, overall length approx. 280mm. with metal cast gauge, sliding fit over ends of bar and with hole 10mm bore in one arm.

Ring & Ball

Code: PHMC0233

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.

Drinking Bird

Code: PHMC0236

A classic toy that is really a heat engine. The bird operates because evaporation is a cooling process. After placing bird in motion, it will continue to drink as long as there is water in the cup and the room temperature is above 65°F.
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