Skip to main content

Box 2

 Container

Contains 12 Results:

United States Patent #2,051,317 - Photelometer, 1936

 File — Box: 2, Folder: 11
Dates: 1936
Found in: Science History Institute Archives / Albert C. Holler Collection / Series IV. Miscellaneous Printed Materials

United States Patent #2,051,320 - Apparatus for Using Photoelectric Cells Quantitatively, 1936

 File — Box: 2, Folder: 12
Dates: 1936
Found in: Science History Institute Archives / Albert C. Holler Collection / Series IV. Miscellaneous Printed Materials

View Staff Interface | Visit ArchivesSpace.org | v3.5.0