motion from an eccentric. end with a, pinion, engaging a spur-gear, rigidly secured Above this metallic table is an adjustable holder in to a hollow shaft formed in two sections. Two addi- which the plate to be etched is mounted. Behind the tional hollow shafts are also employed, each of which… … rent strength is automatically regulated to conform Fig. 2.—ATTTOUATIC MACHINE FOB CLEANING THE punches may be used; but in the machine illustrated, with the area of the contacting surfaces, and for plates PLATE. four punches are provided for each die, so that four 200 X 300 mm. (8 X 12 inches) can…
Plate · Gas · Munn · Automobile · Feet · Armor · Scientific American · Cycleway · Side sections · North german · Los angeles · Water gas · Horse power · Steam engine · Wilhelm der · Gas engine · Heating power
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