Colour Perception Lantern Edridge Green To test colour Vision.
An example of one of the many student experiments for which the E-8 recording drum is very suitable. This is meant for recording muscle constructions on the smoked paper around the cylinder of a drum.
Heating chamber with two lamps at either side and these could be used singly or together. The anesthetic bottle has ground top and is easily removable for filling or cleaning. On top of the plate is a cock for regulating the amount of air passing through the bottle.