The manufacture of paper: being a description of the various processes for the fabrication, coloring, and finishing of every kind of paper (1886)
Davis, Charles Thomas · Philadelphia, H. C. Baird & Co.; London, S. Low, Marston, Searle & Rivington · leaf 160
150 THE MANUFACTURE OF PAPER. to hold the blocks of wood in such position that their fibres may be separated from the blocks in the manner described, and whereby fibres may be reground ; and in a contrivance for feeding up the blocks by a positive feed instead of by force derived from weights or… … On May 22, 1866, Mr. Voelter was granted another patent for improvement in his machine for reducing wood to paper-
Papermaking
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