paratus was designed to facilitate the accurat2 corners attached. It also shows the inside and out graduation of glass tubes—burettes used in volumetric ana- side of the corner piece in detail. Figure 2 shows the lyses, technical assays, pharmaceutical work, etc. The tube, A A, to be graduated is… … of ordinary construction, while at the into il, the piston adjusted so as to fit same time it is strong, durable, and snugly but loosely, and the tube se- cheap. curely clamped in position, connection Further information may be ob- having been made with the tube, G, tained by addressing the…
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