Surface Gauge


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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Surface Gauge

 

a tool used in laying out. In metalworking, surface gauges are used to scribe lines, to transfer measurements from a ruler to a billet, and to measure linear dimensions. Surface gauges have a stand with a clamp, in which a scriber is held. More rapid marking and increased precision are achieved by using a height gauge. In carpentry, surface gauges are used in the form of a block with two parallel bars that have a scriber on one end for scribing lines parallel to the edge.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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The neutron-gamma surface gauge, CPN, model MC-3, has a [sup.137]Cs gamma radioactive source that emits photons of energy 661.6 keV, of activity 0.37 GBq, and a [sup.241]Am/[sup.9]Be neutron source of activity 1.85 GBq, emining fast neutrons.
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The ASME committee for surface metrology is considering two additions to its standard and is actively seeking volunteers to help with one of the efforts, regarding a method to measure the consistency of surface gauges.