CA870540A - Photographic contrast control - Google Patents

Photographic contrast control

Info

Publication number
CA870540A
CA870540A CA870540A CA870540DA CA870540A CA 870540 A CA870540 A CA 870540A CA 870540 A CA870540 A CA 870540A CA 870540D A CA870540D A CA 870540DA CA 870540 A CA870540 A CA 870540A
Authority
CA
Canada
Prior art keywords
contrast control
photographic contrast
photographic
control
contrast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA870540A
Inventor
Berman Elliot
W. Philbrick Richard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Itek Corp
Publication date
Application granted granted Critical
Publication of CA870540A publication Critical patent/CA870540A/en
Expired legal-status Critical Current

Links

CA870540A Photographic contrast control Expired CA870540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA870540T

Publications (1)

Publication Number Publication Date
CA870540A true CA870540A (en) 1971-05-11

Family

ID=36356574

Family Applications (1)

Application Number Title Priority Date Filing Date
CA870540A Expired CA870540A (en) Photographic contrast control

Country Status (1)

Country Link
CA (1) CA870540A (en)

Similar Documents

Publication Publication Date Title
CA1004725A (en) Automatic development control
CA941485A (en) Level control means
CA971819A (en) Photographic material
CA1006743A (en) Photographic elements
CA971619A (en) Microfilm viewer-printer
CA983759A (en) Shutter control mechanism
CA989231A (en) Photographic material
SU637974A1 (en) Contrast control
CA870540A (en) Photographic contrast control
CA877453A (en) Exposure control
CA973744A (en) Microfilm re-enlargement
CA1010285A (en) Photographic elements
CA877237A (en) Photography
CA881439A (en) Photography
CA880821A (en) Photography
CA879030A (en) Photography
CA863870A (en) Photography
CA876657A (en) Photography
CA875501A (en) Photography
CA860027A (en) Photographic exposure control means
CA864470A (en) Photographic element
CA860878A (en) Photographic element
CA867376A (en) Photographic development
CA885935A (en) Photographic materials
CA875497A (en) Photographic materials