A physics demonstration involving a tank of liquid, a lensed instrument, and measuring tools. There are three men around this device. One person (possibly a student) is making adjustments, and appears to be looking through the lens of the...
Wood, tinned-iron fly screen. Has an overall balloon shape with another smaller screen dome within in it. Three tin hooks attach the base to the screen. The wood base is designed to have a lip to hold the liquid bait.
This machine, called the Accogel Encapsulation Machine, the first in the pharmaceutical industry capable of filling one-piece soft shell capsules with powder, liquid, or paste, took 7 years for Lederle people to develop. The gelatin goes through in...
