Drawn Wire Tungsten Lamps Price List Mining Pamphlet New York 1914
Pamphlet by Duhrssen & PFALTZ Inc. 19 East 17th Street New York
Price list of regular Tungsten Lamps and industrial grade lamps. This pamphlet dates tot the start of World War I, where Tungsten played a key role as a metal strengthener. Most the Tungsten in the United Sates came from Boulder County near the town of Nederland Colorado.
Two inside pages with 4 total
Dimensions: 6” by 3 ¼”
Condition (8/10) Good Overall. Some minor edge wear and minor staining. No rips or tears and the crease ins in great shape.