Bar Breaking Apparatus, Comprising A Heavy Cast Iron Frame 340 X 120 X 100 mm With Slotted End Pillars To Carry A Stout Iron Bar, To Show The Forces Which Can Be Exerted During Thermal Expansion Or Contraction, The Bar Is Threaded At One End For A Large Tensioning Nut
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.
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
Compound bar, Brass and Steel, Weight (lb): 41.0, Length (in):28.7, Width (in): 20.1, Height (in): 18.1, For demonstrating the differential expansion of two metals, Comprising a bar of Brass and Steel each 200 x 15 mm, riveted together