AZO An Ideal Developing Paper - Directions, 1912

[Jon Shiu]

Jon Shiu submitted a new resource:

(there was a url link here which no longer exists) - AZO An Ideal Developing Paper - Directions, 1912

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(there was a url link here which no longer exists)

 

[c6h6o3]

Fascinating, especially the prices: less than $0.02/sheet for 8x10. $4.00/gross.

 

[megzdad81]

Cost of Printing

... and all that money I spent getting the right kind of light bulb!