The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 41
to be ill adapted to the purpose in hand. The necessary motions were always productive of inconvenience, and it was not found possible to carry the condensa- tion to the degree required, or to avoid leakage from some of the nu- merous joints. After some trouble, the following contrivance was fallen… … The rim round the extremity a a, is then daubed with a piece of burn- ing caoutchouc, and upon it is tied a thin piece of that substance, with a fine but strong waxed thread. Over this is tied a piece of stout silk
Medicine
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
