Vergroten by Dick Boer is a practical handbook on enlarging photographic negatives to produce prints on paper. It covers traditional darkroom techniques, including the use of an enlarger and the production of photographic prints. An interesting reference for enthusiasts of analogue photography and traditional black-and-white darkroom work.
This Dutch-language hardcover was published by Focus in Haarlem. The 1970 edition contains 256 pages and is illustrated throughout.