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FEATURES Nostalgic sighting mirror compass Sinus conversion chart on the lid With circular level and clinometer 360° scale division, adjustable Massive metal finish Hand crafted Each unit is unique A very special gift Laser engraving available
FEATURES Nostalgic prism compass Suspended compass rose 360° rotating metal dial ring, lockable Lid with transparent window and bearing line Adjustable prism system Thumb holder ring Massive metal finish Hand crafted Every unit is unique A very special gift Laser engraving available
Nostalgic sextant Precision protractor Position sensing, the traditional way Massive metal finish With 2 additional oculars Hand crafted Every unit is unique A very special gift
DETAILS Unit size: Ø 110 x 50 mm; Case: 145 x 148 x 70 mm Imprint area size: Ø 50 mm on base, 21 x 12 mm on brass plate Weight: 900 g incl. wooden case
Alan Davies and Phill Jupitus try out upside down goggles - QI Series N Episode 8: Preview - BBC Two These amazing Reversing Goggles allow you to view the world upside down! The plastic goggles hold two Dove prisms, which invert the image. Available in: Ready to use or Kit form - Selection on Right
Probably one of the best known scientific toys in the world, also known as “Happy Drinking Bird”. If you regularly fill his glass with new water, he will forever carry on sipping, seesawing back and forth. This toy had been banned in Europe for a long time because of its former harmful filling. But now Astromedia have found a version that has full EU...
The Crookes Radiometer, also known as a “light mill”, consists of a partly evacuated glass bulb, inside of which a set of vanes is suspended on a vertical axle. One side of the vanes is black, the other silver coloured. When exposed to bright light, the vanes start rotating about the axle.
The Goethe Barometer consists of a partly filled glass sphere with stand that has a spout attached to its bottom. The spout is open at the top, which allows the atmospheric pressure to change the level of the liquid inside.
The principle of this thermometer was discovered by Galileo Galilei: Suspended in the liquid inside the cylinder are a number of weights which are attached to sealed glass bulbs.
If you hold the bottom glass bulb of the hand boiler in your hand, something astonishing happens: The blue fluid inside the bulb starts to rise through the spiral into the top bulb. When nearly all of the liquid is in the top bulb it also starts to bubble, as if it would be boiling
Wooden rail to mount our round telescopes on a normal photographic tripod. With special nut to fit most standard tripods. Size: 200 x 33 x 15 mm
A kit for a prism made from acrylic glass. Cast acrylic glass blank with all necessary polishing material to produce a highly transparent prism, instructions included - download below Size: 22 x 22 x 22 mm. Length: 55 mm Suitable for children.
Choose Size On Right Its surface is covered with concentric grooves that refract the light. Nowadays they find wide use e.g. in light houses and overhead projectors. Well suited as magnifying glasses for reading small text. Some In the form of a round magnifying glass with handle, magnification 3x, with good resolution
Essential for astronomy. A red light will preserve your "night vision" so you see as many stars as possible. A headlamp is especially useful as it keeps your hands free for operating a telescope & changing accessories If you enjoy discovering the world at night on a night hike, this headlamp makes things safe for you. It shines a light exactly where...
The LensPen is a great tool for all of your optical equipment, including eyepieces, telescopes, spotting scopes, binoculars, microscopes, cameras, lenses, and more. Even your spectacles! Good for approximately 500 uses - No liquids are used...nothing to spill or dry out.
Assemble a smart robotic crab with these fun and educational kits, and watch it scurry around on the table top. It creeps and crawls along, detecting the table edges so it never falls off. Requires 1 AAA battery, not included. Recommended For Ages 8 Plus.
Put this real science tool safely into little hands A real-working, microscope designed for little hands! Ages 3-7
Real Science tools perfectly sized for little hands! Engage young scientists with this hands-on exploration set featuring real tools sized perfectly for little hands. Students can follow the step-by-step, fully illustrated activity cards or experiment with their own ideas. They'll be having so much fun they won't even realise they're learning! Ages 4-8
Observe on a grand scale with these extra-large magnifiers! Built-in stand allows for hands-free viewing at 4.5x magnification. Ages 3-7
Four real arthropod specimens provide a wide range of opportunities for examination and discovery No special preservation or handling required – ready to use right out of the package Specimens in resin helps you observe the insect from all angles
A special egg timer: the sand doesn’t land on a uniform hill, but forms strange structures! In a normal egg timer the sand always forms a flat cone onto whose tip the sand falls from above. This sand in this egg timer does the same, until you stand it in its wooden stand.
A rainbow for indoors! This large crown glass prism projects beautiful spectral colours into your room. Hang the prism in a south-west or south-east facing window. When the low standing sun shines through the prism, it projects fields of spectral colours sideways into the room. A slight spin of the prism makes them dance around beautifully.
Set of 20 all-purpose permanent magnets made from a ceramic compound of iron oxide (ferrite). Ideal for homemade fridge magnets or for experiments with our iron filings (see above). Height: 4mm, Diameter: 8mm