In the current hype for 3-D effects and movies it is easily forgotten that the basic principles for these have already been laid down 180 years ago by the English scientist Charles Wheatstone.
With this easy to build spectroscope you can examine the spectrum of any light source: glowing bodies (sun, incandescent light bulb), fluorescent lamps, etc. On the nano-meter scale you can read the wave length to 5 nm accuracy.
Rugged, intricately printed cardboard kit with two unbreakable, highly polished stainless steel mirrors. This continuously adjustable periscope lifts the eye level by up to 40 cm. It even permits to look behind you and around corners. Great fun and educational too!
Size: 5.5 x 12.5 x 32(-50) cm
All our modern cameras have one common ancestor - The Camera Obscura: the light of the outside world falls through a pinhole onto the opposite wall of a room and produces an upside-down picture. In the 16th century the camera obscura was greatly improved by an objective lens, which produced much brighter pictures.
From the 17th century on magic lanterns made a huge impression on fair ground spectators. This is a kit for an elegant and fully functional cardboard replica in original size.
A very special photographic paper from the early days of photography. Just put objects or negatives on the paper and expose it to the sun light. The outlines of the objects will show up as a silhouette.
Pack of 20 sheets, 140 x 190 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.
Set of three files (each fine and medium), ideal to smooth and clean edges and burrs of our cardboard kits. Also suitable for wood and soft plastic.