CA434803A - Photograph production in blue tones - Google Patents

Photograph production in blue tones

Info

Publication number
CA434803A
CA434803A CA434803A CA434803DA CA434803A CA 434803 A CA434803 A CA 434803A CA 434803 A CA434803 A CA 434803A CA 434803D A CA434803D A CA 434803DA CA 434803 A CA434803 A CA 434803A
Authority
CA
Canada
Prior art keywords
blue tones
photograph production
photograph
production
tones
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
CA434803A
Other languages
French (fr)
Inventor
Dersch Fritz
Heimbach Newton
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA434803A publication Critical patent/CA434803A/en
Expired legal-status Critical Current

Links

CA434803A Photograph production in blue tones Expired CA434803A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA434803T

Publications (1)

Publication Number Publication Date
CA434803A true CA434803A (en) 1946-05-14

Family

ID=35549433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA434803A Expired CA434803A (en) Photograph production in blue tones

Country Status (1)

Country Link
CA (1) CA434803A (en)

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