Home Made: Electrical Apparatus in three parts.
By A. M. Powell.
Arts and Sciences Series No. 7. A Practical Handbook for the Amateur Experimenters in Three Parts. Volume 1. (1918) 327 pages.
By A. M. Powell.
Arts and Sciences Series No. 7. A Practical Handbook for the Amateur Experimenters in Three Parts. Volume 1. (1918) 327 pages.