1. The diameter of the electrically driven cable drums is 3.85 metres. 2. The main cable drum was 18 feet in diameter, mounted in a pit under the track. 3. The crankshaft had a spur wheel of 12 feet diameter, which drove the cable drum through gearing. 4. In this case no cable drum is required but sophisticated electronics are needed at the transducer and receiver. 5. "I said, ` What was it ?'and he told me he thought it was a cable drum ." 6. In 1829 cable cars, and was also added to the cable drums in the hoist houses on the Comstock Lode. 7. On one occasion a wooden cable drum was rolled across the car park through a fence and into a drainage channel. 8. (SkyWrap ) is wound on by a traveling machine which rotates a cable drum around the support cable as it goes. 9. These were used by the Bell Telephone Company, because loading and unloading of cable drums was eased by the side ramp. 10. In the picture the motor unit has been moved across but the cable drum is still on the arrival side . ]]
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