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BAROMETER ANEROID
DEMOSTRATION
Instrument construction of this Barometer
is like above but enclosed in a transparent
synthetic case for demonstration purposes. Air
tight sealed all round, a pressure bulb is
provided to force the movements for educative
demonstration |
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BAROMETER ANEROID
WALL TYPE
With
100mm dial graduated 28 to 31 inch of mercury
and 960 to 1060 millibars. With plated bezel,
cover glass and index plastic base approx. 16cm
diameter.
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BAROMETER FORTINS
For
school/college laboratories. Nominal 6 mm bore
glass tube. With engine divided dual scales 675
to 820 x 1 mm Hg and 26.5 to 32.5 x 0.05 inch
Hg. Verniers reading 0.05 mm and 0.002 inch.
Mounted on polished wooden board for wall
mounting. Supplied without mercury but with
instructions for filling.
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BEAKER TONG
For the convenient and safe handling
of beaker containing hot solutions and for
pouring out the contents.The jaws are asbestos
covered to ensure firm grip.Overall length of
tong 30cms.approx, Made of stainless
steel. |
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BLACK BOARD
GEOMATRICAL SET
Consists of one each wooden ruler,
compass and divider each 300 mm, one pair set
squares 45° and 60°, one protractor and one
duster, in polished wooden case or in plastic
brief case.
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BOTTLE EYE
Eye
Washing Bottle is a must for every laboratory,
with attached eye washing cup and delivery tube
and filter in eyecap. Capacity 500 ml.
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BOTTLE MT CARTNEY
Media
vaccine, narrow mouth with aluminium screw cap
and rubber liner. Capacity 28 ml.
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BOTTLE WEIGHING
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BRUSH BEAKER
Nylon, head size 50 x 19 mm on galvanised
wire, overall size 230 mm.
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BRUSH BOTTLE
WOODEN HANDLE
Nylon, head on wire handle.
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BRUSH BURRETE
Bristle head, 150mm long x 70mm diameter
on hardwood handle. Overall length 400mm.
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BRUSH FLASK
Bristle head on wire handle.
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BRUSH TEST TUBE
Bristle, on galvanised wire, Head size 65
x 40 mm. Overall length 230 mm.
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BRUSH TEST TUBE
COTTON END
Tapered bristle with cotton tip, for
tubes 19 to 25 mm. bore, overall length 230 mm
on galvanised wire.
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BRUSH TEST TUBE
FAN END
Bristle, for shaped end on galvanised
wire, Head size 50 x 60 mm. Overall lenght 230
mm.
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FUNNEL STAND
WOODEN
Made
of seasoned hardwood, polished, with clamping
screw. Rods are approx. 460 x 16 mm. Single base
200 x 110 mm. Double base 290x110 mm approx.
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FUNNEL THISTLE
Stout
walled, made of neutral glass.
| Stem
length mm.: |
200 250
300 |
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FUNNEL THISTLE
SAFETY
With
bend and safety bulb, made of neutral glass,
length of stem 300mm.
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GAS TAP
Made
of brass, lever handle, spring loaded, locking
arrangement to ensure rotation does not go
beyond 90o, standard 3 mm, bore,
inlet 1/4 inches BSP, flange dia, 54mm with
three screws to fix on bench or any other
surface. Designed to operate at pressure upto 2
psi(0.14kg/cm2), suitable for town
gas supply or bottled LPG, elegant design,
painted with special scratch and chemical
resistant paint/chrome plated.
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GLASS TUBE
Supplied in length of 0.5 meter
approx.Pack of 30
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GLOVES ASBESTOS
Asbestos, cotton lined with individual
fingers & thumb, length 300 mm, per pair.
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GLOVES POLYTHENE
For
handling noxious material, Medium size, supplied
in pack of 100.
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HOFFMAN VOLTAMETER
For
demonstration of the decomposition of water,
determination of chemical composition by
electrolysis and with applications in the
evaluation of the electro chemical equivalent of
hydrogen. For the electrolysis of water,
platinum electrodes are used and for the
electrolysis of ammonia or hydrochloric acid
carbon electrodes are used. The electrodes,
available separately, are mounted in rubber
stopper for insertion into the open ends of the
voltameter limbs. This method, in addition to
being convenient, obviates the use of fragile
connections, such as platinum wire loops fused
through the limbs. The glass unit has two
connected limbs, each of approximately 50 ml.
capacity, integral with reservoir tube and
funnel shaped bulb, with a stopcock at the top
of each limb for use on 12V D.C. supply. |
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A: Voltameter, glass unit
only graduated, each lim 0 to 50 x 0.2ml. with
instrutions but without stand. |
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i): Neutral glass
ii) Borosilicate glass |
B: Metal stand with mounts
for giving support to cross limb and vertical
limbs for above. |
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C: Carbon electrodes, in
rubber stoppers approximately 110mm long in
protection tube. |
D: Pair of platinum electrodes
with rubber stopper and protection tube. |
E: Power supply 12 volts D.C. |
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HYGROMETER WET AND
DRY
Two
thermometers mounted on scales -10 to 60°C &
-20 to 140°F, with water container for one
thermometer. Complete with relative humidity
table.
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LABORATORY JACK
For
precise adjustment of height of equipment above
laboratory table, with screw operated scissor
action mechanism, actuated by a large handwheel.
The top is 15x15 cm with a threaded hole for a
laboratory rod.
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LEVER BALANCE DUAL
SCALE
A
simple single pan balance with two ranges 0-250
x 1 gm and 0-1000 x 5 gm. Die cast aluminium
alloy frame, other parts are chrome plated. With
levelling screw to set zero and a pointer for
reading without parallax error. With detachable
pan having a hook for experiments on specific
gravity.
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MANGANIN WIRE
An
alloy of manganese, nickel and copper, having a
low temperature coefficient. This wire is
particularly suited to construction of
resistance coils etc., or any application where
accuracy of ohmic value is the important factor
and electrical loading is low.
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MERCURY TONG
Nickel plated steel,for lifting globules
of mercury.Length 20cms approx.
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NICHROME WIRE
A
nickel-chromium iron alloy specially suitable
for high temperature applications such as
heating elements, rheostats etc.
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PH INDICATOR
pH
indicator paper, universal, pH 1-10, including
colour scale, pack of 100 leaves.
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PIPETTE BULB
RUBBER
Made
of rubber, with thick walled neck.
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PIPETTE DROPPING
Pipette with rubber teat, length approx
40 mm.
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PIPETTE FILLER
Comprises a rubber bulb and three pinch
valves, for use with pipettes upto 50 ml.
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PIPETTE GLASS BULB
FORM
Made
of neutral glass, bulb form, single graduation
on upper stem, permanent graduation. AVAILABLE
IN BOROSILICATE GLASS ALSO.
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PIPETTE
SEROLOGICAL/GRADUATED
Calibrated for delivery to jet. Last drop
expelled by blowing, permanent amber graduation.
Clour coded. AVAILABLE IN BOROSILICATE GLASS
ALSO.
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