OSAW Products
 


4873

5010

4873 FLETCHER'S TROLLEY
It is used for performing experiments on velocity, acceleration etc. The track 1720 x 150 mm is fitted with levelling feet, foam covered stops at both ends, and aluminrum pulley 50 mm diameter. An arrangement to release trolley and spring steel vibrator with mark at 5 Hz. and 8 Hz. is provided. With accurately balanced wheels running in self contained support brackets, 5 calibrated weights, 2 Brushes, 200 paper strips, ink, 50 meters of cord and 3 wooden blocks.

4700 PHOTOTIMING GATE
It is used as a light operated timing gate. It consists of a photodetector and light source (2.5V, 0.2A bulb) housed in two plastic cases held 40 mm apart on a metal rod: 4 mm sockets are provided for connecting it to the electronic timer. Power 2VAC.

5010 LINEAR AIR TRACK Triangular section aluminium alloy track, length 255 cm, with staggered air holes, supported on two light alloy castings positioned 45 cm from ea,ch end of the track. One support has a two point contact and other a 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 pulley fitted to one end of the track enables experiments involving acceleration under a constant force to be investigated. 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 vehicles, buffer attachments and clamping screws are matt black to help interpretation of stroboscopic photographs.

4706 MOTOR DRIVEN STROBOSCOPE
(300 rpm 230 V) Two interchangeable black metal discs (250 mm dia) with 5 & 6 radial slots.


4700, 5010A, 5010B

4707 HAND HELD STROBOSCOPE
(250 mm Dia, 12 Slots) 

5010A LINEAR AIR TRACK ACCESSORIES KIT
It is supplied complete with 2 large vehicles (mass 400
gm., length 215 mm) 1 small vehicle (mass 200 gm., length 100 mm)
2 magnetic buffers (25 mm dia)
2 plasticine holders (20 mm dia) with
central hole
4 catapults (45 mm wide) with slot for elastic band
3 steel buffers with central hole
4 elastic cords (220 mm long) with plastic rings
1 reel of nylon thread
2 white plastic rods (4 mm dia 150 mm long) for stroboscopic photography
24 needles for use with steel buffer
20 white plain cards for interrupting light beams
1 reel rubber strand
1 pack of plasticine
20 elastic bands
1 instruction manual

5010B AIR BLOWER
It is specially suitable for use with Linear Air Track. With a flexible hose terminating in a tapered adaptor (25 mm, aD). Power required 230V AC, 50 Hz.


4706






EPISCOPES, EPIDIASCOPES AND PROJECTORS
OSAW EPIDIASCOPES
These have facility to project images of opaque and transparent objects.

23890 STANDARD EPIDIASCOPE
It is supplied with a suitable wooden slide carrier.

ACCESSORIES
23894 Combined film strip & microslide attachment. 23981 Pointer &rangement. 23980 Case. 24009 Dust Cover.

24016

24015 DELUX EPIDIASCOPE
It is very popular due to its outstanding performance, sturdy construction and simple maintenance

25001
 
SPECIFICATIONS
  DELUX PROJECTOR 25001 SUPER PROJECTOR 25002 PORTABLE PROJECTOR 25003 STANDARD PROJECTOR 25004
SPECIAL FEATURES Efficient bOOling, Brilliant projection, Coated lens Anastigmatic, Efficient cooling, Brilliant projection, lens Anastigmatic, No over heating, Brilliant projection, lens Anastigmatic, Suitable for intermittent use, Brilliant projection,
Body Materiall Aluminium Casting CR MS Sheet Die Pressed CR MS Sheet Al Casting CR MS Sheet Die Pressed
PROJ. LAMP 300 Wafts 300 Wafts 100 Watts Halogen 100 Watts
SIZE 355*200*275 200*200*290 260*130*290 32O*150*210
WEIGHT 6 kg. 6.5 kg. 4 kg. 2.5 kg.
WORKING VOLTAGE 220V AC 1ph 220V AC 1ph 220V AC 1ph or 12V DC 220V AC 1ph

25002,25003
 
It is supplied with a suitable metallic carrier, a dust cover and a pointer arrangement.
ACCESSORIES
24025 Combined film strip & slide attachment.
24048 Slide Carrier.
24060 Case.
25001 & 25002 DELUX AND SUPER PROJECTORS
These are compact and rigid models which can be used for long durations. These give brilliant projections.
25003 PORTABLE PROJECTOR
This portable projector
23982 OPTICAL POINTER
A convenient battery operated pointer to indicate various parts of the projected object. It is very helpful for better demonstration of the subject matter.
 

23982
which can be used on 12V DC/220V AC is very suitable for field use.
25004 STANDARD PROJECTOR

23890

This projector is portable as well as economical.