The Bee-hive

The Bee-hive

4.11 - 1251 ratings - Source

Ascents and descents in the four high-speed elevators are smooth as well as spectacular. ... have been aligned and realigned by comparing their straightness with that of a steel reference wire alongside, held taut by a weight or turnbuckle. ... A disadvantage of this method is the difficulty of holding a sharp focus in sighting over the relatively great distances ... and a detector and readout carried by an elevator technician riding on a temporary platform atop the car and used by him toanbsp;...

Title:The Bee-hive
Publisher: - 1976


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