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<ul><li><b>Scope and content:</b>  Original Caption: Manufacturing Boyce Moto-Meters, Distance type, for the government at the Boyce Moto-Meter Plant, Long Island, N.Y.  One of the many special instruments furnished for block test work where very close readings are desired.  The instrument carries a four inch dial and is graduated at two degree intervals throughout the desired scale.  This or the small instruments can be made to indicate accurate temperatures from as low as minus 40 to as high as 450 degrees Fahrenheit.</li></ul>
Photographer: Boyce Moto-Meter Plant</div>
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Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>