Story about various types of frosts.
First are the tiny frost crystals of "hydrochloric acid". A drop of the acid is placed on a piece of glass. A drop of ammonia is added. Smoke emerges from the drop and crystallising takes place. The glass slide is placed under the microscope. We see the...
Story following the growth of a chick inside an egg and film of it hatching.
Mathematical and scientific ways of dividing things into sections.
New electronic microscope is used at the Institute of Physics at Charles University in Prague.
Mass production of telescopes in the Crimea
Forensic tests on a man's jacket using cellotape to take particles off it.
Large complex system of metal and glass structures which go to make up this microscope.
Australian item showing short history of microscope.
Russian microscope used by students in London