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Scientific American, Vol. 68, No. 2 (1893) (1893)
leaf 10
y small, e. g., 0°03 of an inch, it will be readily appar- inclosing a small white envelope and card, on which machine, the alignment being unaffected by increased ent that the above process involves considerable accu- the desired communication may be written, resting number of sheets. This is due… … ance and necessity of bodily cleanliness.” In the back view of the frame is shown © 1893 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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