Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 200
veyed by the dimness ofoutline of figures or skies seen beyond. Fig. 345 represents a glass flask. Fig. 346 represents a glass box with glass sides. Fig. 347 represents a glass jar containing fluids of different densities. Figs. 348 and 349 represent spars, which may be taken for any transparent… … Fig. 344.
Mechanical drawing
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