Our Factories, Workshops and Warehouses, Their Sanitary and Fire-Resisting Arrangements

Our Factories, Workshops and Warehouses, Their Sanitary and Fire-Resisting Arrangements

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882 edition. Excerpt: ...parts should constantly be kept clean. Bourdon's gauge as improved by Bailey is one of the most perfect forms of gauges. The case is solid gun-metal, and the syphon of registered pattern, by which a test gauge may be attached and the accuracy of the gauge determined; a danger hand is fixed to the dial to plainly define the maximum limit of pressure. The danger hand can be locked to its position by the masters, so as to refute any false evidence which might be given by the stoker or other person in charge of the boiler, in case of accident and Government inquiry. Blanche's steel plate gauge, with the dial protected by a wire guard, is also an admirable contrivance. Water Gauges out of Order or Fixed too Low. The fixing of the water gauges too low is a very common defect. The gauges should be placed at least six inches above the top of the flues, and owing to the constant danger of the glass recording untruthfully, an additional check gauge glass should be fixed to all boilers. Howat's patent gauge glasses are a great improvement on the ordinary form. Bailey has also introduced a new and excellent form of gauge cock, the chief feature in which consists of a revolving scraper which is actuated every time the bottom cock is opened and closed, thereby removing the sediment and preventing a false indication of the state of the water supply. See Fig. 100. The gauge cocks should be constantly examined and the sediment blown out. A perfect combination of boiler safety appliances is shown in Fig. 101. Spring valve coated with nickel to prevent oxidation, improved scavenging gauge cock, and steam gauge with danger hand. This arrangement is known as the Bailey-Eamsbottom. The double water gauge made by C. W. J. Blancke, of Merseburgh and Manchester, is also...show more

Product details

  • Paperback | 70 pages
  • 189 x 246 x 4mm | 141g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236493451
  • 9781236493453