all abandoned - finding the g spot - otis elevator traction sheave

Otis elevator traction sheave

One interesting feature of this elevator traction sheave is the perforated metal tape that traveled with the ropes. This tape drove the pancake selector (seen earlier) and allowed the controller to measure the cab's position in the hoistway. This was necessary since optical and magnetic sensors were not yet in vogue for this purpose.

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Finding The G Spot

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(Replaced by Canon EOS Rebel T2i)

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EXIF data

X-Resolution	72 dpi
Y-Resolution	72 dpi
Exposure	0.017 sec (1/60)
Aperture	f/4.0
Exposure Bias	0 EV
Focal Length	18 mm
Focal Plane X-Resolution	4433.295337 dpi
Focal Plane Y-Resolution	4453.608247 dpi

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