Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 250
ccess toboth sides of thepaddle, at its-centre.Eadial apertures arearranged in thepaddle case in com-munication with anannular space aroundthe inside of the casefrom which leads theglass tube D contain-ing the registeringcolumn of liquid. Ascale E is placed behind D and is graduatedIn rpm. F is a… … Veeder Liquid Tachometer 532 Take-off—Tangent Scale A check valve G is provided to choke thepassage to D and so minimise oscillation ofthe liquid in D and make the instrument dead-beat. A tube H is provided for fill-ing purposes and to serve as overflow shouldthe speed become excessive, and to…
Electrical engineering
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