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Chemistry


RETORT CLAMP

Made of M.S. sheet dia pressed holds objects from 15 mm to 65mm with cork lined jaws, provides secure contact. With side brass wing-nut adjustable. Steel rod 45 x 7.5 mm (length x dia.). All parts chrome plated. Without boss head.


RETORT RINGS

Cast iron with boss, hammertone pointed. Brass thumbscrew chrome plated to fit boss. Suitable for fixing on rods up to 13mm Dia. The distance between centre of ring and supporting rod is approx. 120 mm for all sizes.
Dia. (a) 60 (b) 75 (c) 100


TEST TUBE STAND, WOOD

Made of seasoned hard wood, polished, single row with pegs. Holes 18mm diameter and 25mm holes at each end.
(a) For 6 Pegs & holes.
(b) For 12 pegs & holes.


PERIODIC CHART OF ATOMS

Multi-coloured, showing solids, liquids, gases in separate distinctive colours with symbols & names,density,atomic radii,melting points,boiling points,atomic numbers, atomic weights, electronic structure, crystal structure, valency, ionisation potential, electro-negativity etc. Information about 105 elements is given. Size 140 x 100 cm, mounted, with rollers.


METRE RULE

Non-warping wood, 25 mm wide, double scale in mms, figured every cm. The scales on the two edges read in opposite directions.




AIR PUMP

Vacuum or pressure, hand operated, supplied as vacuum pump but can be readily converted to pressure pump by reversing piston head and valve.


POLARIMETER, SENIOR

Designed to accept observation tube upto 220 mm length. Its improved rotating half shadow system at the front ensures perfect focus and clear definition. With angular glass scale 0-360°,divided into degrees and reading upto 0.05° with micrometer. A sugar scale from 30° to 120° reads upto 0.1 sugar degree. Supplied complete with two polarimeter tubes, 100 mm and 200 mm, and dust cover.


VACUUM PUMP, ROTARY, OIL-SEALED

General purpose, single stage with low level of vapour emission. Can be used as a pressure device also. Direct drive, compact construction, displacement 32 litres/minute, ultimate vacuum without gas ballast 0.1 mm of mercury, motor rating 0.25 HP, rpm 1425, supplied with 1 metre 3-core mains cable and 1.5 litre oil. For use on 220-240 V, 50 Hz.


GAS GENERATING APPARATUS KIPPS

Complete with delivery tube thistle funnel & rubber corks. Available in Borosilicate Glass.  
Capacity (ml) : 250, 500, 750, 1000




LECHLANCHE CELL POT

Capacity (pint.) 2, 3 ....


DRAWING BOARD

Available in Diffrent sizes.


THERMOMETERS WET & DRY

Permanent fused scale, with constriction in bore to prevent mercury from going back, in case


SALT BRIDGE

For use in experiments involving the measurement of cell EMF under condistions of forward, zero, and reverse current flow. The bridge comprises an inverted 'U' tube with its ends closed by sintered discs. This apparatus provides a more effective method of making reversible cells than the wet filter paper or agar gel methods. Arm diameter 13 mm, width 8 cms. and overall height 10cms.


CAVITY BLOCK

With cover.
Capacity (ml) : 30, 60

Gas Syringe

A gas syringe also known as "glass collecting bottle", is a piece of laboratory glassware used to draw a volume of a gas from a beaker.


Alcohol Burner Stand
Ideal for use with alcohol burners. Made of nickel plated steel
wire gauge. Height 125mm.

Support Rod

Plated steel rod, 13mm diameter, one end half round, other end threaded for fitting into bases. Provided with a through hole having a tommy bar for easy tightening of the rod.

Length :

500mm

600mm

750mm

900mm


Extension Ring
Suitable for adjusting the ring from the support rod. Made from powder coated steel.

I.D.

Length

50mm

200mm

75mm

255mm



Ring, Retort

Cast iron, duly powder coated. Provided with a boss head to take rods up to 13mm diameter. The ring centre is 120mm from the support rod centre.

I.D.

50mm

75mm

100mm

125mm




Clamp, Extension

Holds objects of diameter up to 75mm. One jaw is fixed and the other opens up. Jaws are supplied with cork-lining to hold beakers and flasks firmly and safely.


Clamp, Extension, Three Finger

Rubber lined die cast jaws, with 170mm chrome plated mild steel rod. Jaws can hold objects up to 75mm diameter.


Pinchcock, Mohr’s

Made of chrome plated brass wire, with shaped finger grips. Fits tubing up to 16mm diameter.


Cork Press

Cast iron for softening corks evenly by rolling, without increasing the porosity. To accommodate corks up to 32mm diameter. On wooden base.


Cork Borer

Nickel plated brass tube with individual handle and rod for clearing bores.
O.D. : 4-11mm, 4-18mm


Cork Borer Sharpener

Nickel plated metal cone with hinged cutter blade set in slot and wooden handle.


Copper Voltameter

Consists of three copper plates suspended from bakelite cover in a glass jar. The outer plates form anode and the central one is cathode. The cathode plate may be taken out or put into the holder without being touched by the fingers.


Plates For Simple Cells

Plate size 90x25x1.5mm. Fitted with 4mm socket terminals.

Zinc

Copper

Lead

Iron

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