Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
Canadian Seal Congress
1913
Prints
doc.106
We develop all films by the large tank system.
By doing this and using a very weak, slow developer
you are sure of getting all the fine detail and still retain-
ing the proper contrast necessary. Negatives produced
by this system give much more satisfactory results.
We Grind Our Own Glass
Everything Optiral