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Scientific American, Vol. 79, No. 24 (1898) (1898)
leaf 3
a spring by which the platen head and the front of the earriage, which enables one to regulate the superimposed circles, as shown, one above the other. platen are held together. The line space pawl and height of the platen at the printing point. By this By this arrangement, moreover, a very long… … © 1898 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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