Radiometer Crook'S, Plastic Base, Evacuated Glass Bulb Have Black And White Vanes In Color. Mounted On Round Plastic Moulded Base, Comprising Partly Evacuated Glass Bulb Approx. 70 mm Diameter, Containing At Its Centre A Fine Pivot Which Supports Four Light Weight Metal Arms.
Prism, with different angle 25 degree x 25 degree x 130 degree,Optical Borosilicate Crown glass having R.I. 1.510 App. Optically worked for use with Spectrometer, Equilateral, two facespolished 32 x 32 mm height.Dense Flint Glass Prism. R. Index 1.62, Weight (lb): 4.4, 7.9x7.5x5.1in
Prism, with different angle 25 degree x 25 degree x 130 degree manufactured from Optical Borosilicate Crown glass having R.I. 1.510 App. Optically worked for use with Spectrometer, Equilateral, two faces polished 32 x 32 mm height.Extra Dense Flint Glass Prism. R. Index 1.65
Hero'S Engine - Eolipile, Functional Glass Model, Comprising A Borosilicate Glass Bulb 70 mm Diameter Approx, With Side Arms Bent At Right Angles. Complete On Stand But Without Burner, A Functional Glass Model Of The Earliest Form Of Steam Turbine
Hareft s Apparatus, Mounted on a wooden stand with a scale, comprises a three-limbed glass tube with rubber tubing on the centre. For comparing the densities of liquids by measuring the height of two columns of liquid produced by applying suction, Dimensions 68 x 30 x 15 cm
Prism, R Index 1.51 - Designed for Spectrometer, Weight (lb): 0.1, Length (in):0.5, Width (in): 0.4, Height (in): 0.2, Borosilicate crown glass with a refractive index of 1.51
Hydraulic Press, Length: 10.2in, Width: 7.9in, Height: 11.8in, Consists of two interconnected cylinders of different dia based upon two graduated glass syringes of 10ml and 50 ml with cross-sectional are of 3 to 1. For demonstrating the transmissibility of fluid pressure
Hydraulics Kit, 4 in 1, Contains: Scissor Lift, Platform Lifter, Cherry Picker, Excavator. Most models stand between 18 and 24 cm high when fully extended and can hold things like a glass of milk, toys, false teeth and other fun items
Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection