Notebook
name: label: Collection Creator
content: Pickard, Greenleaf Whittier, 1877-1956
setName: label: See more items in
content: Greenleaf Pickard Notebooks and Nikola Tesla Patents
label: See more items in
content: Greenleaf Pickard Notebooks and Nikola Tesla Patents / Series 1: Greenleaf Pickard Notebooks
unitdate: label: Date
content: 1926-1928
container: label: Container
content: Box 4, Folder 1
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
scopecontent: label: Scope and Contents note
content: WBBM 1926 – Chart – Microvolts/meter, records, and charts of other stations; Wolfer Provisional Sunspot Numbers; Massachusetts Institute of Technology report, December 3, 1927 field-strength measurements at Wayland and Weymouth; The Relation of Natural Wavelength; Frequency and Inductance Capacity Product in Condenser Circuits; WBBM Reception; Correlation of monthly average with sunspots