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categories New Products Alternative Energy Electrostatics Electricity Magnetism Measurement Power Supplies Mechanics Discharge Tubes Capacitors Heat Lab Supplies Temperature Wave Demo Sound Advanced Physics Light Miscellaneous Electrolysis X-Rays Science Kits Clearance   User Login Returning Customer Secure Login   Order Status Track An Order         THERMOELECTRIC GENERATOR Don't miss the product video! This product is sure to spark conversation about alternative energy, and will encourage students to think about how these resources can be harnessed. $27.95! Find out more! VAN DE GRAAFF GENERATOR This new for 2009 Van De Graaff generator produces 325KV and features a more powerful 3,500 R.P.M motor. Great for the physics lab, it includes an output terminal on the dome! $259.95! Find out more! STIRLING ENGINE This brand new low temperature differential stirling engine features high quality construction, carrying case and 2 re-usable hot/cold packs! $149.95! Find out more! WIMSHURST MACHINE This amazing device produces 2 - 3" static electric sparks for a wonderful demonstration. This best-selling item is sure to please, don't miss it! $49.95! Find out more! INDUCTION COIL Creates high voltage from a low voltage dc power source like a battery. Power Geissler tubes, spectrum tubes or Crookes tubes with this amazing coil! $59.95! Find out more! CROOKES PADDLEWHEEL CRT This crookes paddlewheel tube is a beautiful, fully functional reproduction. $109.95! Find out more! GALILEO THERMOMETER This 13 Inch Galileo Thermometer is a wonderful addition to any classroom. $9.99! Find out more! TRIPLE BEAM BALANCE Quality aluminum and stainless steel construction with lifetime warranty. $69.95! Find out more!   Home | Contact us | Privacy policy | Legal | Cart | Bookmark Website Copyright © 2009-2010 Lethan Corporation, All Rights Reserved.