Note on an Improved Filter Holder for Color Printing

Theodore J. Braun

The modification of the printer head of a Bell and Howell Model J printer to accept filters for color printing is described. The novel location of the filters has the advantages of easy accessibility for quick inter-changing of filters, ability to use smaller size filters, and greatly increased filter life.

Print ISSN
Published
1949-07
Content type
Original Research
DOI
10.5594/J17808