about X-ray film - Kodak Definix - date of the beginning

Philippejacquier

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Oct 11, 2017
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Hi,
I'm french. I have few vintage prints of X-ray flowers. I think that prints dated from 1940's but I'm not sure. On the back of the print there is an writing inscription " Kodak definix".
I beleive that this film was used until 70's. But i'm looking the date of the beginning of the process to know if there is a possibility that my prints are really 1940 or around (or maybe before 1930?)
If someboby could held me !
Merci beaucoup
Best
Philippe
 

Gerald C Koch

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My doctor has a set on his office walls. I remember seeing such prints in magazines in the fifties. Sorry but can't help previous to that date.
 

AgX

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You mean X-ray photographs of flowers were used for advertizing medical/technical X-ray films in the 50s or earlier?
 
OP
OP

Philippejacquier

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Oct 11, 2017
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Paris
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AgX said:
You mean X-ray photographs of flowers were used for advertizing medical/technical X-ray films in the 50s or earlier?
Click to expand...

I tbeleive that my prints (because of the quality of the paper) seem to be dates 40's but may I'm wrong. I'm looking to know the beginning of using Kodak definix. may be it's earlyer 1940/50 ?
best and thanks to help me,
Philippe
 
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