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Buy with confidence from Green Witch - 01954 211 288

The Galileo TelescopeThe Galileo Telescope Ref: LH-GalileoKit

  • ASTROMEDIA
The Galileo Telescope Kit for a telescope, with length of 38 cm and 10-fold magnification telescope that roughly corresponds to that of the great Italian scientist Galileo Galileo in the beginning of the 17th Century Easy assembly. Complete with the OPTI * Media -Lenses No. 1 and No. 9
Price: £4.99 (Including VAT at 17.5%)



Stirling Engine KitStirling Engine Kit  New Ref: LH-StirlingKit

  • ASTROMEDIA
A cardboard kit for a fully functional Stirling engine!

The Stirling engine runs on a HOT cup or an ICE pack.
The revolutionary concept of this engine was invented in 1816 by Scottish minister Robert Stirling.
The principle is ingenious and simple:
In a sealed cylinder (main cylinder) heated or cooled at one end, a piston (displacement piston) moves the enclosed air back and forth between the cylinder's hot and cold ends.
In this way, the air is alternatively heated and cooled, creating a cycle of compression and expansion, of high and low air pressure.
A piston (working piston), connected to the main cylinder, is kept in motion by the alternating air pressure, and in turn moves a crankshaft and flywheel.
A small portion of the produced energy is used to move the displacement piston and keep the engine running by itself.
If you set this fully functional Stirling engine on a cup of hot coffee and give the flywheel a small thrust to the left, the whole apparatus begins quietly to run - up to one hour long!
That is however not all: - Set it on a cold source i.e. a cooling pack from the freezer or a thick block of ice, give a thrust to the flywheel to the right this time, and the whole apparatus begins quietly to run.

Set Includes Clear English assemble instructions with diagrams, Historical Background and principles of Operation
3 Sheets of Cut-Outs
1 Plastic Bag consisting of Aluminium Plates (laser cut), Assorted metal fittings (friction-less plastic axle bearings and wire bent from spring steel) and a Latex glove.
Height 16.5cm wide and 12.6cm deep
Price: £24.99 (Including VAT at 17.5%)



The Periscope KitThe Periscope Kit Ref: LH-Periscopekit

  • ASTROMEDIA
Build your own periscope with stainless mirrors. Raises your eye level by 43cm.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.

Price: £15.00 (Including VAT at 17.5%)



Star Dial KitStar Dial Kit Ref: LH-stardialkit

  • ASTROMEDIA
Build your own star dial.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.
Price: £15.00 (Including VAT at 17.5%)



Kaleidoscope KitKaleidoscope Kit Ref: LH-Kaleidokit

  • ASTROMEDIA
Build your own classic kaleidoscope with a stand base. Exchange the objects in the cell whenever you want.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.
Price: £13.99 (Including VAT at 17.5%)



The Universal Sundial Ring KitThe Universal Sundial Ring Kit Ref: LH-unisundialkit

  • ASTROMEDIA
Build your own universal sundial ring.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.
Price: £18.00 (Including VAT at 17.5%)



Sextant KitSextant Kit Ref: LH-Sextantkit

  • ASTROMEDIA
Build your own sextant.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.
Price: £18.00 (Including VAT at 17.5%)



Digital SunDial KitDigital SunDial Kit Ref: LH-digisundial

  • ASTROMEDIA
Build your own Digital Sundial.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.
Price: £16.00 (Including VAT at 17.5%)



The Magic Lantern KitThe Magic Lantern Kit Ref: LH-magiclankit

  • ASTROMEDIA
Build your own battery operated magic lantern. Project picture strips to become 3 feet wide.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.
Price: £18.00 (Including VAT at 17.5%)



The Magnetic Compass KitThe Magnetic Compass Kit Ref: LH-magcompkit

  • ASTROMEDIA
Build your own compass, complete with protective casing. Determine the cardinal points and take bearings.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.
Price: £15.00 (Including VAT at 17.5%)



Microscope KitMicroscope Kit Ref: LH-microkit

  • ASTROMEDIA
Build your own Microscope.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.

Price: £15.00 (Including VAT at 17.5%)



The Newton Reflecting Telescope KitThe Newton Reflecting Telescope Kit Ref: LH-newtscope

  • ASTROMEDIA
Build your own Newton reflecting Telescope
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.

Price: £18.00 (Including VAT at 17.5%)



The Nelson Telescope KitThe Nelson Telescope Kit Ref: LH-nelsontscope

  • ASTROMEDIA
Build your own Nelson Telescope.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.

Price: £13.99 (Including VAT at 17.5%)



The Newton Reflecting Telescope Solar FilterThe Newton Reflecting Telescope Solar Filter Ref: LH-newsolar

  • ASTROMEDIA
This is a solar filter for the Newton Telescope Kit
Price: £8.00 (Including VAT at 17.5%)



The Artifical Horizon KitThe Artifical Horizon Kit Ref: LH-arthorizon

  • ASTROMEDIA
Build your own Artificial Horizon.
Cardboard assembly kit for a beautiful, fully functioning scientific instrument.

Price: £13.00 (Including VAT at 17.5%)



Green Witch Tel: 01954 211 288