 | 1789 - 504 Seiten
...called a mandril, whofe diameter is confiderably lefs than the intended bore of the barrel. The edges of the plate are made to overlap each other about half...three inches at a time, and hammering it with very briflc but moderate ftrokes, upon an anvil which has a number of femicircular furrows in it, adapted... | |
 | W. Cleator - 1791 - 382 Seiten
...called a mandril^ whofe diameter is confiderably lefs than the intended bore of the barrel. The edges of the plate are made to overlap each other about half...femicircular furrows in it, adapted to the various flzes of barrels. The heat required for welding, is the bright white heat which immediately i precedes... | |
 | 1789 - 682 Seiten
...called a mandril, whofe diameter is confiderably lefs than the intended bore of the barrel. The edges of the plate are made to overlap each other about half...three inches at a time, and hammering it with very briflc but moderate ftrokes, upon an anvil, which has a number of femicircular furrows in it, adapted... | |
 | 1800 - 596 Seiten
...a mandril, whofe diameter is confiderably lei's than the intended bore of the barrel. The edges of the plate are made to overlap each other about half...time, and hammering it, with very brifk but moderate fti'okes, upon an anvil which has a number of femicircular furrows in it, adapted to the various fizcs... | |
 | Henry James Pye - 1807 - 608 Seiten
...called a mandril, whofe diameter is confiderably lefs than the intended bore of the barrel. The edges of the plate are made to overlap each other about "half an inch, and are welded together by heating thetube in lengths of two or three inches at a time, and hammering it, with very brilk but moderate... | |
 | John Mason Good - 1813 - 714 Seiten
...called a mandril, whose diameter is considerably less than the intended bore of the barrel. The edges of the plate are made to overlap each other about half...three inches at a time, and hammering it, with very brisk but moderate strokes, upon an anvil which has a number of semicircular furrows in it, adapted... | |
 | Thomas Martin (civil engineer.) - 1813 - 714 Seiten
...the intended bore of the barrel. The edges of the plate are made to overlap each other about half uu inch, and are welded together by heating the tube...three inches at a time, and hammering it with very brisk but moderate strokes, upon an anvil which has a number of semicircular furrows iu it, adapted... | |
 | Thomas Burgeland Johnson - 1814 - 312 Seiten
...a mandril, whose diameter is considerably less than the .intended bore of the barrel. The edges of the plate are made to overlap each other about half...of two or three inches at a time, and hammering it upon an anvil that has a number of semicircular furrows in it, adapted to the various sizes of barrels... | |
 | Thomas Burgeland Johnson - 1816 - 298 Seiten
...mandril, the diameter of which is considerably less than the intended bore of the barrel. The edges of the plate are made to overlap each other about half...of two or three inches at a time, and hammering it upon an anvil that has a number of semicircular furrows init, adapted to the various sizes of barrels... | |
 | 1818 - 578 Seiten
...called a mandril, whose diameter is considerably less than the intended bore of the barrel. The edges of the plate are made to overlap each other about half...three inches at a time, and hammering it with very brisk but moderate strokes upon an anvil which has a number of semicircular furrows upon it, adapted... | |
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... than the intended bore of the barrel. The edges of the plate are made to overlap each other about half an inch, and are welded together by heating the tube in lengths of two or three inches at a time, and hammering it with very... 
