CA416640A - Photographic refractive equalizer - Google Patents

Photographic refractive equalizer

Info

Publication number
CA416640A
CA416640A CA416640A CA416640DA CA416640A CA 416640 A CA416640 A CA 416640A CA 416640 A CA416640 A CA 416640A CA 416640D A CA416640D A CA 416640DA CA 416640 A CA416640 A CA 416640A
Authority
CA
Canada
Prior art keywords
equalizer
photographic
refractive
refractive equalizer
photographic refractive
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
CA416640A
Other languages
French (fr)
Inventor
W. Barnes George
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.)
ELDRIDGE REEVES FENNIMORE JOHN
Original Assignee
ELDRIDGE REEVES FENNIMORE JOHN
Publication date
Application granted granted Critical
Publication of CA416640A publication Critical patent/CA416640A/en
Expired legal-status Critical Current

Links

CA416640A Photographic refractive equalizer Expired CA416640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA416640T

Publications (1)

Publication Number Publication Date
CA416640A true CA416640A (en) 1943-11-23

Family

ID=35525867

Family Applications (1)

Application Number Title Priority Date Filing Date
CA416640A Expired CA416640A (en) Photographic refractive equalizer

Country Status (1)

Country Link
CA (1) CA416640A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536789A (en) * 1983-03-03 1985-08-20 Bains Paul C Apparatus for observation in a high velocity liquid stream

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536789A (en) * 1983-03-03 1985-08-20 Bains Paul C Apparatus for observation in a high velocity liquid stream

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