g marble-like Plaster. holes in metal. The improvement has been patented Zinc in the form of cuttings or dust is placed in AN AECH SUPPOET, WATEE PUEIFIEE AND HEATEE. by Mr. Paul L. Johnson, of Bishop Hill, 111. The water, and after having been allowed to stand for frame is clamped to a suitable… … being supplied with a similar plate, THE " C. B." BOILEE ATTACHMENT. JOHNSON'S PUNCHING HACHINE. and the plates being readily remov- able when necessary. At its upper end the heater is] the extent of about 32 milligrammes per liter. The so- lower end a lug which carries the die plate. The latter…
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