US Army - United States Army
- In the 1940s the US Army created a tubular ice piton. This tubular ice piton may be the first Tubular ice piton made in the world, which shows in the 1943 Army catalog.
- In the 1940s the US Army created a tubular ice piton. This tubular ice piton may be the first Tubular ice piton made in the world, which shows in the 1943 Army catalog.
US Army August 1943 Quatermaster supply catalog
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US Army - Tubular ice piton
- Extra large collar on the tube under piton eye
- 90 degree and rounded 45 degree collar design
- Thin metal for piton eye
- c.1950s
- Extra large collar on the tube under piton eye
- 90 degree and rounded 45 degree collar design
- Thin metal for piton eye
- c.1950s
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US Army - Tubular ice piton
- Mfg ink mark - U.S. B.D. INC. 1963
- Extra large collar on the tube under piton eye
- 45 degree on each side collar design
- Thick metal for piton eye
- Mfg ink mark - U.S. B.D. INC. 1963
- Extra large collar on the tube under piton eye
- 45 degree on each side collar design
- Thick metal for piton eye
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US Army - Tubular ice piton
- Mfg ink mark: U.S. WYOTT-r-77M
- Thin metal for piton eye
- Mfg ink mark: U.S. WYOTT-r-77M
- Thin metal for piton eye
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US Army - Tubular ice piton
- Mfg ink mark: A.D.C. 1980 U.S.
- Thick metal for piton eye
- Mfg ink mark: A.D.C. 1980 U.S.
- Thick metal for piton eye
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