ar, for paving is done only in the summer sea- BLOCKS IN A DAY. endeavored to devise a machine that would accommo- son. These old blocks are scraped and trimmed for BY JACQUES BOYER. date itself to all these irregularities, as well as to the further use in winter. Furthermore, the demand for M.… … rivals of 20 or 30 carloads of planks. The demand View of the Machine, Showing the Conveyor for the Planks. Longitudinal Section of the Josse Block-Sawing Machine. of this character. The result of his studies is a huge machine 100 feet long, which divides each plank into 16 blocks by means of 17…
Machine · Inches · Concrete · Center · Valve · Scientific American · Adapted · York city · North star · American supplement · Journal box · Weather vane · Death rate · Valve mechanism · American supplements · Normal water
Internet Archive · Public domain (published before 1931). Free to use for anything.
