of can be cut in one- the new educational twentieth of , t h e use of pictorial post time required for cards in Germany: mechanical cutting, At the recent and the sharply lo- calized heating prob- meeting of the Ger- ably causes less man Geograph i c a 1 strain than punch- Society the idea was… … holes in large pipes Even Thick Armor Plates Can Be Cat with the Gas-Flame. ther, two teachers in and boilers. In the Leipzig have estab- plat e-cutting ma- lished a central CUTTING METALS WITH OXYGEN. chine used In very bureau for meri- thick plates the nozzles are moved in a straight line torious…
Apparatus · Gas · Air · Motor · Alternating current · Scientific American · Body portion · American supplements · Magnifying power · Coal gas · Heating surface · Water Supply · Compressed air · Cubic meters
Internet Archive · Public domain (published before 1931). Free to use for anything.
