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Title | Collection Number And Name | Photo Number |
| 1 |
 |
"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 Collection | P0388n1_01_22 |
| 2 |
 |
"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 Collection | P0388n1_01_23 |
| 3 |
 |
"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 Collection | P0388n1_01_17 |
| 4 |
 |
"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 Collection | P0388n1_01_18 |
| 5 |
 |
"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 Collection | P0388n1_01_21 |
| 6 |
 |
"Tensionmeter used to measure tension in the rope." | P0388 Richard Bird Photograph Collection | P0388n1_01_20 |
| 7 |
 |
"View showing center tower and the plaited rope which was being tested." | P0388 Richard Bird Photograph Collection | P0388n1_01_19 |
| 8 |
 |
"View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop." | P0388 Richard Bird Photograph Collection | P0388n1_01_24 |
| 9 |
 |
"View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop." | P0388 Richard Bird Photograph Collection | P0388n1_01_25 |
| 10 |
 |
"View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop." | P0388 Richard Bird Photograph Collection | P0388n1_01_26 |
| 11 |
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"View showing mountings of adjustable sheave used on proto-type tow at the Salt Lake Shop." | P0388 Richard Bird Photograph Collection | P0388n1_01_27 |
| 12 |
 |
"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 Collection | P0388n1_01_13 |
| 13 |
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"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 Collection | P0388n1_01_14 |
| 14 |
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"Views showing sheaves drive wheel. This arrangement was used in some of our tests." | P0388 Richard Bird Photograph Collection | P0388n1_01_15 |
| 15 |
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"Views showing sheaves drive wheel. This arrangement was used in some of our tests." | P0388 Richard Bird Photograph Collection | P0388n1_01_16 |
| 16 |
 |
Skyline Ski Area, Caribou National Forest, rope tow and pulley | P0388 Richard Bird Photograph Collection | P0388n1_01_09 |
| 17 |
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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 Collection | P0388n1_01_10 |
| 18 |
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Skyline Ski Area, Caribou National Forest, Rope tow and pulley. | P0388 Richard Bird Photograph Collection | P0388n1_01_08 |
| 19 |
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Skyline Ski Area, Caribou National Forest, rope tows and pulleys. | P0388 Richard Bird Photograph Collection | P0388n1_01_07 |
| 20 |
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Skyline Ski Area, Caribou National Forest, skiers on the rope tow. | P0388 Richard Bird Photograph Collection | P0388n1_01_11 |
| 21 |
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Skyline Ski Area, Caribou National Forest, skiers riding the new polypropylene twisted rope tow. | P0388 Richard Bird Photograph Collection | P0388n1_01_12 |
