B&H model C: Difference between revisions

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[[File:B&H model C.jpg|thumb|Bell&Howell model C at Filmwerkplaats with additive RGB lamphouse]]
[[File:B&H model C.jpg|thumb|Bell&Howell model C at Filmwerkplaats]]
This printer operates now with a controller that is designed by James Rubery (in accordance with the original manual). This controller is to operate the 3 valves in RGB (red-green-blue light) in 0 to 50 steps each. 0 is closed and 50 is completely open. 12 steps is 1 stop.
This Bell&Howell model C is an additive colour printer with a RGB (red-green-blue light) lamp house. This printer operates now with a controller that is designed by James Rubery (in accordance with the original manual). This controller is to operate the 3 valves in RGB in 0 to 50 steps each. 0 is closed and 50 is completely open. 12 steps is 1 stop


The gate has the options
The gate has the options


composite = full image including optical sound outline
* composite = full image including optical sound outline
 
* picture = only the image, no outline framing
picture = only the image, no outline framing
* sound pos = only the optical sound part when printed as positive from a negative
 
* sound rev = only the optical sound part when printed as positive from a positive. The framing is a fraction bigger than sound pos to avoid a white line in between image and sound track.
sound pos = only the optical sound part when printed as positive from a negative
 
sound rev = only the optical sound part when printed as positive from a positive. The framing is a fraction bigger than sound pos to avoid a white line in between image and sound track.

Revision as of 14:24, 1 December 2025

Bell&Howell model C at Filmwerkplaats

This Bell&Howell model C is an additive colour printer with a RGB (red-green-blue light) lamp house. This printer operates now with a controller that is designed by James Rubery (in accordance with the original manual). This controller is to operate the 3 valves in RGB in 0 to 50 steps each. 0 is closed and 50 is completely open. 12 steps is 1 stop

The gate has the options

  • composite = full image including optical sound outline
  • picture = only the image, no outline framing
  • sound pos = only the optical sound part when printed as positive from a negative
  • sound rev = only the optical sound part when printed as positive from a positive. The framing is a fraction bigger than sound pos to avoid a white line in between image and sound track.