In a heap of old books I found this ancient (1948) booklet of operating instructions for Federal enlarger models 269 and 279: 12 pages of detailed description & advice, 5½ by 8½ inches and in fair condition. It must almost have museal value.
If you would like to own it, it can be yours for the postage: 3.50€ within Europe, $3.75 to North America.

If you would like to own it, it can be yours for the postage: 3.50€ within Europe, $3.75 to North America.

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