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​​​​H. R.  Scientific Works

LEES and Charlton’s apparatus : cylinder brass slab 11cm. dia and 10.5mm thickness deep brass hollow cylinder (Steam Chest) with retort stand. As above with accessories.

Torsion Apparatus Vertical (Barton App.) 
Heavy Cast Iron Base, 3 brass circular scales, graduated. Passing over frictionless pulleys rotated on it.

Maxwell vibration Needle: Graduated, All Brass 40 cm. Two solid brass cylinder and two hollow brass cylinder all over length 10 cm. long, to fil the brass tube and pipe open at both end.

Poisson Ratio of Rubber Tube Apparatus
Consist of a cycle rubber tube of 1mtr. length with pointer sloted weight hanger, clamp and rubber stopper on a Caste Iron base.

Torsion Pendulum 5" Brass Dia
Torsion Pendulum 5" Iron Dia : 
wirehang from a universal clamp, Solid brass  disc of 12.5 cm dia. 1.25 thickness.

Bar & Gauge : Bar made of Mild steel iron, Chrome plated, Wooden Handle. Gauge made of Brass, Chrome plated, wooden handle.
Available in :
3" & 4" size.
Gauge also available in aluminium.

Sono Meter Brass Fitting
Sono Meter Al. Fitting:
resonance box 
( 1140 x100x85 mm), 1mtr. long scale, One brass & steel wire, two movable bridges, pulley and fixed screw.

Linear Expansion Vertical: ½  meter.
Linear Expansion Vertical:
1  meter.
Consist of a chrome plated brass pipe fitted on a superior quality spherometer.
Inlet & Outlet steam tubes.
Complete with 3 test rod.

Resonance App.: SS / Brass Pipe 1 Mtr. SS / Brass pipe and meter scale fitted on wooden board with metal cup and Cast Iron base.

Optical Bench: 1mtr. Iron Rod, Half Shaper
Optical Bench : 1mtr. Brass pipe covered rod, Half Shaper
Optical Bench: 1.5 mtr. Iron Rod, Half Shaper
Optical Bench:1.5 mtr. Brass pipe covered rod, Half Shaper
Optical Bench: 1mtr. Brass pipe covered Rod, full Shaper
Optical Bench: 1mtr. Iron Rod, full Shaper
Optical Bench: 1.5 mtr. Brass covered Rod, full Shaper
Optical Bench: 1.5 mtr. Iron Rod, full Shaper
Optical Bench: 1mtr. S.S. Rod, full Shaper
Optical Bench: 1.5mtr. S.S. Rod, full Shaper 18mm Rod

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