Practical Gas-Fitting (Including Gas Manufacture); With Numerous Engravings and Diagrams

Practical Gas-Fitting (Including Gas Manufacture); With Numerous Engravings and Diagrams

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1900 edition. Excerpt: white-lead mixed with oil on all the screws, and beeswax on the plugs. Screw the arms up very tight, outside rod and ball joint, exhaust the air with the mouth in order to test the joints for soundness, and blow water down as a test for leakage. It is often advisable to procure new brass chain, as the old one is apt to become rotten. In a building in which the floor-boards have been laid, the common method of finding which board should be removed is to drive a gasfitter's long gimlet from below straight up through the boards into the room above. To remove a floor-board that has been laid down is a somewhat difficult matter, unless the proper method is followed, and that is to drive the nails right down into the joist by means of a carpenter's punch; the nails will not be required again, as, after the work is done, the board should be fastened down by screws, preferably of brass, and with brass countersink cups or washers, so that the screws may be easily removed when it again becomes necessary to examine the gas-pipes underneath. When the board runs the whole length of the room and under both skirtings, there are two usual ways of proceeding. One way is to lever up the board from each side until a piece of iron pipe, or a hammer-handle, is inserted under the board to be removed, and resting on the boards on each side, and then with a saw cut through the board over the centre of a joist. If the joist cannot be seen, the old nail-holes will be a sufficient indication. When the board has been cut in two, either piece can be easily taken up. The other method--particularly useful when only a short piece of board is to be removed--consists in cutting the board with a keyhole saw on the slope close to the joist, as shown in Fig. 51; more

Product details

  • Paperback | 44 pages
  • 189 x 246 x 2mm | 95g
  • United States
  • English
  • black & white illustrations
  • 123682783X
  • 9781236827838