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A thousand and one formulas; the laboratory handbook for the experimenter 1920 [Leather Bound]

A thousand and one formulas; the laboratory handbook for the experimenter 1920 [Leather Bound]

Sidney Gernsback

A Thousand and One Formulas: The Laboratory Handbook for the Experimenter; With an Appendix of Useful Tables

A Thousand and One Formulas: The Laboratory Handbook for the Experimenter; With an Appendix of Useful Tables

Sidney Gernsback

Experimental electricity course in twenty lessons. By S. Gernsback and H.W. Secor 1918 [Leather Bound]

Experimental electricity course in twenty lessons. By S. Gernsback and H.W. Secor 1918 [Leather Bound]

Sidney Gernsback

Experimental Electricity Course In Twenty Lessons

Experimental Electricity Course In Twenty Lessons

Sidney Gernsback

Wireless Course in Twenty Lessons

Wireless Course in Twenty Lessons

Harry Winfield Secor

Experimental Electricity Course in Twenty Lessons

Experimental Electricity Course in Twenty Lessons

Sidney Gernsback

A thousand and one formulas;: The laboratory handbook for the experimenter,

A thousand and one formulas;: The laboratory handbook for the experimenter,

Sidney Gernsback