A paper on the deflection of the needle of a delicate galvanometer, producede by the action of the solar rays through the medium of the helix
Subtitle: part of a series of papers on "The identity of the forces of light, heat, electricity, etc."
By: by John Goodman ....
Publisher: Robert Johnson & Co
Published: 1883
Place of publication: Southport
Language: eng
Subjects: Photoelectricity.; Galvanometer.
Other titles: A paper on sun light transformed into electricity and producing deflection of the needle of the galvanometer.
Notes: Cover title.

Caption title: A paper on sun light transformed into electricity and producing deflection of the needle of the galvanometer.