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Gem Pathescope 9.5mm projector, Unit #1191, Made in England. Recorded on a Marantz PMD661 with a Rode NT4 stereo mike.
The GEM is a variable speed projector, controlled by a rheostat. Speed for this recording was unknown, but probably 12-16 fps.
Microphone was facing the operational side of the projector, 50 cm away. Audio begins with power being turned on, ends with power being turned off. The speed variation during recording occurred naturally.
Type
M4a (.m4a)
Duration
5:13.218
File size
29.0 MB
Sample rate
44100.0 Hz
Bitrate
777 kbps
Channels
Stereo