[Woman looking through magnifying glass at a micro-switch]
Photograph
[Woman looking through magnifying glass at a micro-switch]
ca. 1975
Gelatin silver print
Image: 11 1/8 × 8 15/16 in. (28.3 × 22.7 cm)
Mount: 19 15/16 × 15 7/8 in. (50.6 × 40.4 cm)
Gift of Jonathan Levine, 2024
2024.0041.0146
Inscriptions Typed on applied label on mount, recto BC: MICRO SWITCH DIVISION OF HONEYWELL, INC. \ FREEPORT, ILLINOIS \ This tiny pressure sensor detects changes \ in an auto engine's manifold pressure so \ an on-board computer can regulate effi- \ cient use of fuel
