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Oct. 15, 1936. Washington, D.C. "Protection against that dreaded disease Silicosis is assured underground workers with this new sand-blasting helmet developed by William P. Biggs, Safety Engineer of the Navy Department. Weighing only 43 ounces, the helmet has been tested for nearly a year in various naval stations throughout the country." Harris & Ewing glass negative. View full size.
According to a safety bulletin from 1936, this came with a silk hood that went over the head and shoulders and extended to the waist, leaving only the area with the eye shield visible.
Silicosis first received widespread public attention in 1936 when as many as 1,500 men died near the town of Gauley Bridge, West Virginia, as a result of breathing in silica dust. Nov 18, 1992
https://www.cdc.gov/niosh/updates/93-123.html
point it at the workpiece, and sneeze.
30 minutes of work and 45 minutes of resting and cold ice packs. Yikes!
"Only" 43 ounces! Nearly 2 pounds of visual obstruction...
[Yeah, he should have calculated things better. -tterrace]
LOL! I meant to type "3 pounds".
Never caught it...
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