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Number of results to display per page
TitleCollection Number And NamePhoto Number
1 Ralph Johnston with friends in Pocatello, Idaho standing in front of a Pocatello Tent & Awning truck.P0392 Ralph Johnston Photograph CollectionP0392 n 1_03_16
2 Skiers at Pocatello, Idaho.P0392 Ralph Johnston Photograph CollectionP0392 n 1_01_02
3 Skyline Ski Area, Caribou National Forest, rope tow and pulleyP0388 Richard Bird Photograph CollectionP0388 n 1_01_09
4 Skyline Ski Area, Caribou National Forest, power plant used on the new polypropylene plaited rope which is at the upper end of the rope tow.P0388 Richard Bird Photograph CollectionP0388 n 1_01_10
5 Skyline Ski Area, Caribou National Forest, Rope tow and pulley.P0388 Richard Bird Photograph CollectionP0388 n 1_01_08
6 Skyline Ski Area, Caribou National Forest, rope tows and pulleys.P0388 Richard Bird Photograph CollectionP0388 n 1_01_07
7 Skyline Ski Area, Caribou National Forest, skiers on the rope tow.P0388 Richard Bird Photograph CollectionP0388 n 1_01_11
8 Skyline Ski Area, Caribou National Forest, skiers riding the new polypropylene twisted rope tow.P0388 Richard Bird Photograph CollectionP0388 n 1_01_12
9 "Elevated arm with floating sheave with tensionmeter installed. This was used to determine the effects of tension of rope on sheaves and on rope twisting. It was also used to elevate the rope so it would not drag along the ground."P0388 Richard Bird Photograph CollectionP0388 n 1_01_22
10 "Elevated arm with floating sheave with tensionmeter installed. This was used to determine the effects of tension of rope on sheaves and on rope twisting. It was also used to elevate the rope so it would not drag along the ground."P0388 Richard Bird Photograph CollectionP0388 n 1_01_23
11 "Intermediate tower showing arrangement of sheaves with the hookup with the tensionmeter to measure tension of rope. This also served as a means to insert misalignment of the sheaves which produced twisting of the ropes."P0388 Richard Bird Photograph CollectionP0388 n 1_01_17
12 "Intermediate tower showing arrangement of sheaves with the hookup with the tensionmeter to measure tension of rope. This also served as a means to insert misalignment of the sheaves which produced twisting of the ropes."P0388 Richard Bird Photograph CollectionP0388 n 1_01_18
13 "Intermediate tower with tensionmeter sheaves removed. This arrangement was used to determine what effect intermediate sheaves have on twisting of the rope."P0388 Richard Bird Photograph CollectionP0388 n 1_01_21
14 "Tensionmeter used to measure tension in the rope."P0388 Richard Bird Photograph CollectionP0388 n 1_01_20
15 "View showing center tower and the plaited rope which was being tested."P0388 Richard Bird Photograph CollectionP0388 n 1_01_19
16 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_24
17 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_25
18 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_26
19 "View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop."P0388 Richard Bird Photograph CollectionP0388 n 1_01_27
20 "Views showing arrangement of sheaves and drive wheel. Note the groove in the drive wheel, this is a common practice and used to some extent in region 4."P0388 Richard Bird Photograph CollectionP0388 n 1_01_13
21 "Views showing arrangement of sheaves and drive wheel. Note the groove in the drive wheel, this is a common practice and used to some extent in region 4."P0388 Richard Bird Photograph CollectionP0388 n 1_01_14
22 "Views showing sheaves drive wheel. This arrangement was used in some of our tests."P0388 Richard Bird Photograph CollectionP0388 n 1_01_15
23 "Views showing sheaves drive wheel. This arrangement was used in some of our tests."P0388 Richard Bird Photograph CollectionP0388 n 1_01_16
24 Local novices preparing to launch off a ledge in Pocatello, Idaho.P0392 Ralph Johnston Photograph CollectionP0392 n 1_01_05
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