was followed by an evolution of steam from An improved self-closing elevator door has been patented plate endwise will plane any length of plate. There are by Mr. Theodore M. Clark, of Boston, Mass. The inven- the water, which had a normal temperature of 400° Fahr. two separate tools on the tool… … Ordinarily in ste- used upon these oc- reotypingthe mould casions were gradu- MACHINE FOR PLANING THE EDGES OF PLATES. or impression is ated to five pounds, taken and dried on having no pound or on the saddle for easy and independent adjustment, and the a steam table or heater specially constructed…
