51. [Haloid Xerox copy flo machine] Publication: [1969?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
52. [Frank Shifflett printing from microfilm on to paper] Publication: [1963?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
53. [Frank Shifflett adjusting the Haloid Xerox machine] Publication: [1963?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
54. Frank Shifflett at copy flo machine Publication: [1963?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
55. [Pearl Caldwell working with microfilm reels] Author(s): Bredland, Ralph. Publication: [1969?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
56. [Placing a book under microfilm camera's glass] Publication: [1969?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
57. [Haloid Xerox copy flo machine] Publication: [1969?] Subject(s): MicrofilmingNational Library of Medicine (U.S.). Reference Services Division.
58. [Microfilming material] Publication: [[1969?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
59. [Side view of the Haloid Xerox copy flo machine] Publication: [1969?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
60. [Recordak 35mm model D with daeger style book holder] Publication: [196-?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.