Crystals: 1958 M.I.T. Documentary Film

Alan Holden describes how crystals are formed, how to make a crystal in your kitchen.

[@julietjackson2918]

I can understand the chemical names he uses to describe the solutions he grows the crystals in. For me he has a heavy accent. If anyone happens to know what he says I would love to know. Watching these old educational videos are so interesting but everyone sounds like the actors on "Leave it to Beaver".

[@jossfangirl]

Salol, bismuth and alum.
Bismuth burns with a blue flame and clouds of yellow oxide when heated in air,

[@salvinorindoge3811]

nice