[Woman watch-maker testing the strength of hairsprinhgs and their relationship to the weight of the balance wheel.]
Photograph
[Woman watch-maker testing the strength of hairsprinhgs and their relationship to the weight of the balance wheel.]
ca. 1937
Gelatin silver print
11.9 x 17.0 cm.
Gift of the Photo League Lewis Hine Memorial Committee
1978.0727.0021
Inscriptions verso-(rubberstamp) "Property of National Research Project of the
W.P.A. Room 917 - 12 S. 12th St. Philadelphia, Pa. Not To Be
Reproduced Before Jan. 1938." "Photo-study by Lewis W. Hine for
National Research Project of WPA 12 S. 12th St. Philadelphia, Pa."
(in pencil) "158" "2"
W.P.A. Room 917 - 12 S. 12th St. Philadelphia, Pa. Not To Be
Reproduced Before Jan. 1938." "Photo-study by Lewis W. Hine for
National Research Project of WPA 12 S. 12th St. Philadelphia, Pa."
(in pencil) "158" "2"
