ut- designed to make'‘more steam and drier steam than +0 off. It has been patented by Mr. Andrew J. Harri- has heretofore been possible in boilers of this class, IMPROVED KNIFE FOR PRINTERS’ USE. son, Chief Engineer U. 8. Revenue Cutter Colfax, while the tubes are not liable to become obstructed A… … DUS’ KNIFE FOR PRINTERS’ USE. chanical device adapted for attachment to the end of the rock shaft, whereby the adjusting of the lead form ready is shown in the accompanying illustration. of the steam valves, and taking off the lead and The handle is a piece of tubing with longitudinal slots putting…
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