Name/Title
Earth Inductor (Delzenne s Circle)Entry/Object ID
1000.1801.251Description
Earth Inductor (Delzenne s Circle)Collection
Dave BaerMade/Created
Manufacturer
Gaertner Scientific Corp.Date made
1913Notes
where made: Chicago, IL
serial number: 601General Notes
Note
Used to measure the earth s magnetic field.
Flips rapidly 180 degrees.
Can be Horizontal or vertically aligned.
650 ohms, 1000 turns.