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
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
Conductometer Brass, Copper, Aluminium, Iron, Zinc, And Stainless Steel, Rod Of Six Metals Is Radially Spaced Equally On A Brass Hub. Each Of The Rod Has A Cavity At The Outer End. For Holding Paraffin. Using The Wooden Handle, Hold The Brass Hub Over A Flame
Radiation Can Kit, Demonstrate how two identically sized cans absorb and radiate energy differently, contains a lamp assembly with reflector and stand(bulb not included), smooth metal can, one black metal can, and thermometer, Includes activity guide
Ring And Ball, Mounted On Separate Handle Ball, Dia. 22mm, Consists Of A Brass Ball And A Brass Ring, Each Individually Mounted On Brass Rods With Wooden Handles.
Bimetallic Strip Demonstration, Single Piece Non-Jointed Bimetallic Strip Of With Wooden Handle, The Metals Are Distinct And Visible. An Improved Version Of The Rivetted Form. Metals Are Copper And Steel.