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Scientific American, Vol. 36, No. 15 (1877) (1877)

leaf 8

An illustration from Scientific American, Vol. 36, No. 15 (1877), 1877, leaf 8
their rude, mouldering, rough- having grained the surface, it is coated, ina warm condition, angle and plates of glass cemented thercon. The bisulphide grained shafts, and triple lights, without tracery or other or- with alight film of wax. To this film you transfer a car- nament than the martins’… … lime and boiling water, and trammels of the Byzantine THE DUOMO AND CAMPANILE, FLORENCE. then the wax with benzole, style. Many of his works and finally acid is employed are now lost; but his skill to etcn. In the latter case the copper constitutes the reserve, most cases soon causes the prism…

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