A first report upon observations of atmospheric electricity at Baltimore, Maryland.
By: Prepared under the direction of Brig. & Bvt. Maj. Gen'l W.B. Hazen ... by Park Morrill ...
Series: [United States. Army. Signal Corps] Signal service notes,; no. 17
Publisher: Signal Office
Published: 1884
Place of publication: Washington City
Language: eng
Subjects: Atmospheric electricity.
Notes: At head of title: Signal Office, War Dept.