Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 173
All (ha lamps as yet described are subject to one common evil, that of liavmg the oil vessel, at allevents, within a few lines of the level oi tlie burner; m a po&ition, tlierefui e, n hioh throws the mostobjectionable shadow. A whole series c. contrivances have consequently resulted from the…
Mechanical engineering · Mechanics · Engineering
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