Square Friction Cube With Hook, 4 Surfaces, 2 Inch, Provides Four Surfaces For Exploration Into The Force Of Friction. Each Side Of The 2in Cube Provides A Surface (Wood, Paper, Vinyl, Sandpaper) With A Different Coefficient Of Friction
solar furnace, simple device gives a graphic demonstration of the suns radiative energy, large convex mirror concentrates solar radiation onto a small container of water suspended at the mirrors focal point. In a few minutes, the water boils
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
Linear Expansion Apparatus With Gauge, 3 Rods Included, Heavy Metal Base, Investigate Linear Expansion With (3) 50Cm Rods - Aluminum, Brass, And Iron, Screw Mircometer With 0.01mm Resolution, Supplied With Gauge
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.
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