Image from page 43 of "A manual of hypodermic medication : the treatment of diseases by the hypodermatic or subcutaneous method" (1891)
Authors: Bartholow, Roberts, 1831-1904
Publisher: Philadelphia : Lippincott
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School
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Silver Syringe and Needles. German Silver Syringe. so unequal that it is difficult to obtain a piece uniform incalibre throughout. The fragility is corrected by enclos-ing the tube in metal, leaving a slit through which thecontents can be inspected and the graduation read. Inthe original glass syringes, and in the inferior ones now THE METHOD. 35 made, the mountings of the cylinder are fastened on bysealing-wax or other cement, and hence loosen easily, andleak, or give way altogether. The new material known as celluloid is well adapted to the making of cylinders.As it is moulded in a soft state, perfect uniformity in thecalibre can be secured, and as it can be made transparent,the contents are visible. Although possessed of a trans- Fig. 4.
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