Stories by Geo. M. Hopkins
How to Color Lantern Slides
March 11, 1893 — Geo. M. Hopkins
Instrument for Viewing Lantern Slides
January 21, 1893 — Geo. M. Hopkins
Rod and Ring Experiment
December 17, 1892 — Geo. M. Hopkins
A Convenient Camera
July 16, 1892 — Geo. M. Hopkins
Optical Projection of Opaque Objects
March 26, 1892 — Geo. M. Hopkins
An Experiment in Acoustics
March 26, 1892 — Geo. M. Hopkins
The New Book Experimental Science
April 25, 1891 — Geo. M. Hopkins
Experimental Science- April 11, 1891
April 11, 1891 — Geo. M. Hopkins
Experimental Science- April 4, 1891
April 4, 1891 — Geo. M. Hopkins
Optical Projection of Opaque Objects
April 4, 1891 — Geo. M. Hopkins
Experimental Science- March 28, 1891
March 28, 1891 — Geo. M. Hopkins
Experimental Science- March 21, 1891
March 21, 1891 — Geo. M. Hopkins
An Efficient Plating Dynamo
March 14, 1891 — Geo. M. Hopkins
Experimental Science- February 28, 1891
February 28, 1891 — Geo. M. Hopkins
Centrifugal Action of Air
February 21, 1891 — Geo. M. Hopkins
Experimental Science- February 21, 1891
February 21, 1891 — Geo. M. Hopkins
Experimental Science- February 14, 1891
February 14, 1891 — Geo. M. Hopkins
Experimental Science- February 7, 1891
February 7, 1891 — Geo. M. Hopkins
Experimental Science- January 31, 1891
January 31, 1891 — Geo. M. Hopkins