Heat

a)Searle's thermal conductivity apparatus: it consist of a copper rod 30 x 2. 5 cms dia with its one end surrounded with a steam jacket for heating it from a boiler and the other end is kept cool by a steam of water flowing throughout a spiral tube fitted on that end fitted in a well polished teak wood case w/o thermometer and boiler.
b)Searle's thermal conductivity apparatus: as above but 'inco' pattern.
c) Searle's thermal conductivity apparatus: as above but 3. 75 cm dia of copper rod.
d) Searle's thermal conductivity apparatus: same as above, bat inco pattern type.

a) Pullinger's Coefficent of Linear Expansion Appts : (Vertical Type) Consisting of 50 cms iron pipe with inlet and outlet tubes for steam and opening for thermometer supported in teak wood polished frame. Complete with 3 different metal rods (Iron, Aluminium and brass) without thermometer and spherometer.
b) Pullinger's Coefficient of Linear Expansion Appts : (Vertical Type) Same as above but with brass Type
c) Pullinger's Coefficient of Linear Expansion Apparatus : (Vertical Type) Same as above but with one Meter (100 cm) long Iron pipe.
d) Pullinger’s Coefficient of Linear Expansion Apparatus :- (vertical type) Same as above but with one meter long brass pipe.
e) Linear Expansion Aparatus :- (Horizontal type) fitted with spherometer 50 cm long steel tube 2.5 cm dia N.P. with inlet and outlet tubes for steam and opening for thermometer reading to 0.01 mm with three different metal rods.
f) Linear Expansion Apparatus :- (Horizontal Type) same as above but with brass pipe.
g) Linear Expansion Apparatus :- (Vertical and Horizontal type) Specially design to measure the linear expansion of metals with the help of spherometer. The tube is mounted in a heavy metal frame. It consists of 50 cm long brass pipe 2.5 cm dia and having welded inlet and outlet tube for steam and opening for thermometer complete with three different metal rods.
h) Linear Expansion APPARATUS :- (Vertical and Horizontal type) Same as above but with 50 cm long iron pipe.

a) Ring and Ball :- Brass with chain and nicely polished wooden handle sup, quality.
b) Ring and Ball :- As above but on stand 18 mm dia Ball.
c) Ring and Ball :- Having brass bob of 1” Size on stand.
d) Bar and Gauge :- Aluminum cheap quality.
e) Bar and Gauge Apparatus :- Sup. Quality all brass.

a) Conductivity Apparatus Lee’s & Charlton’s :- For determining the relative conductivity of thin layers of materials consist of cylindrical brass slab 11.5cm dia and 12 mm thick. On this rests a 5 cms deep hollow cylinder of the same dia with inlet and outlet tubes for steam. The Whole is suspended by 3 strings attached to the lower plate from stout angular ring. The ring is held on a heavy Tripod stand complete as above w/0 thermometer but with accessories.
b) Conductivity Apparatus Lee’s & Charlton’s :- As above, but of medium and general quality. In this case brass part are replaced by iron parts.

a) Filter Pump :- University pattern brass C.P.
b) Filter Pump :- Edward design made from hexagonal brass C.P. Rod.

Davy’s safety lamp :- made of brass N. P. Good quality.

Oxygen Generator :- Brass with delivery tube screwed N.P. pace soldered joints, superior quality.

Hope’s Apparatus :- a) Tin b) G I Sheet c) Brass d) Copper

a) Hypsometer :- Made of tin, hammertone finish.
b) Hypsometer :- Made of copper medium size jointless.
c) Hypsometer :- Made of copper large size Jointless