Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 623
be cocks operatedwith a handle whose positionindicates whether the valve isopen or closed (Fig. 479). Thethird objection is the invisibilityof the water in the glass when thewater is clean. This can be ob-viated by having a colored stripmade in the glass at the backwhich will be visible through… … BOILER ACCESSORIES AND APPLIANCES, 58/ is clean. The freedom of the connections between the gauge-glass and the boiler can also be insured when the boiler issteaming by observing the motion which the operation ofsteaming always causes in the water in the boiler from thepresence of waves. Fig. 477…
Mechanical engineering · Steam power plants
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