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PM-521 MEASURE - RAIN GAUGE (a) Consist of a galvanized metal funnel 125 mm. diameter, canister and inner receiving cylinder height x dia. 200 x 70mm. Outer cylindrical canister ht. x dia. 300 x 125 mm. Complete with plastic measuring cylinder graduated 0-10 mm. x 0.1 mm. (100 divisions). (b) As above but in all polished brass. (c) As above but in all copper

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Chemistry - General & Chemical Laboratory Apparatus

PM-521 MEASURE – RAIN GAUGE

A round bottom flask is used as a sphere. Sunrays are focussed by the glass globe of the sunshine recorder, which charr a piece of paper dial. From the length of the charred portion the hours of sunshine can be calculated. Apparatus consist of round base with levelling screws and central rod with a plated tommy bar and arc shaped plate which can be adjusted by tommy bar to set the flask globe at required latitude. Supplied with 12 spare printed dials.

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Chemistry - General & Chemical Laboratory Apparatus

PM-522 SUNSHINE RECORDER

Simple, strongly constructed, painted white hardwood screen to contain the maximum and minimum thermometers, wet and dry bulb hygrometers etc. Louvred all round with openable front door. Overall dimensions length x breadth x ht. 540 x 240 x 425 mm.

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Chemistry - General & Chemical Laboratory Apparatus

PM-523 METEOROLOGY SCREEN STEVENSON

ROBINSONS CUP ANEMOMETER

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Chemistry - General & Chemical Laboratory Apparatus

PM-524 ROBINSONS CUP ANEMOMETER

For meteorological departments and for mounting on buildings for accurate indication of wind direction. Consist of a central pillar mounted on a 25 mm. diameter pole and carries four arms terminating in cardinal point symbols. Height 300 mm., with round base and diameter of central rod 10 mm. Well balanced to avoid bias towards any particular direction, produces maximum torque relative to its moment of inertia for a given change in wind directions it rotates with the minimum of friction.

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Chemistry - General & Chemical Laboratory Apparatus

PM-525 WIND VANE

Stand for wind sock with concealed double ball bearings - 5 feet length of stand. 6 feet & 8 feet length is available

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Chemistry - General & Chemical Laboratory Apparatus

PM-526 WIND VANE

ATOMIC MODEL SET

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Chemistry - General & Chemical Laboratory Apparatus

PM-527 ATOMIC MODEL SET (JUNIOR) 75 BALLS

This set comprises of 370 balls of different colors and sizes with 150 flexible connecting white links. 60 black balls, diameter 25 mm., four holes, represent Carbon. 20 Yellow balls, diameter 25 mm., four holes represent Sulphur. 25 green balls, diameter 25 mm., one hole represent Chlorine. 20 orange balls, diameter 25 mm., one hole represent Sodium. 125 white balls, dia.12 mm., with lugs length 50 mm. represent Hydrogen. 185 white connectors, three lengths represent valency bonds. 30 orange balls, diameter 19 mm., two holes represent Calcium. 30 red balls, diameter 19 mm., two holes represent Oxygen. 30 blue balls, diameter 19 mm., 15 with three holes and 15 with five holes represent Phosphorous. 30 yellow balls, diameter 19 mm., 2 holes represent Trivalent metals eg. Aluminum, Chromium etc. Supplied packed in a plastic box with different compartments.

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Chemistry - General & Chemical Laboratory Apparatus

PM-528 ATOMIC MODEL SET SENIOR 370 BALLS

Consists of moulded balls of different colors & sizes along with connectors of different sizes. The sizes and shapes of the balls , connecting lugs have been designed in accordance with internationally acceptable standards. Type................... Student Set Teacher Set.

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Chemistry - General & Chemical Laboratory Apparatus

PM-529 ATOMIC MODEL SET(MOLECULAR)

Comprises a borosilicate glass U tube with 225 mm. height, with each limb graduated 0-120 x 1 mm. Bend fitted with a filling tube and stopcock. Two platinum electrodes 14 mm. diameter can be adjusted at any position by locking

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Chemistry - General & Chemical Laboratory Apparatus

PM-53 BALANCE COMPRESSION, SPRING

These crysaltal Model sets Contain different coloured jacks & connectors (long & short) in a Prescribed number to be joined together in an illustrated way to form structures like Diamond, Graphite & Sodium Chloride

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Chemistry - General & Chemical Laboratory Apparatus

PM-530 CRYSTAL MODEL SET

PM-531

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Chemistry - General & Chemical Laboratory Apparatus

PM-531 CRYSTAL MODEL SODIUM CHLORIDE