APHP.S1.A.F3.3
- Record PhA_350.jpg F. Wagner Schlesinger holding a heliochronometer, M-302, back APHP.S1.A.F3.3 Mickey Pallas
- Digital Collection Adler Planetarium Historic Photographs
- Rights Mickey Pallas
Explore Chicago Collections
https://explore.chicagocollections.org/image/adlerplanetarium/159/222sf2j/