Modern electrical construction; a reliable, practical guide for the beginner in electrical construction, showing the latest approved methods of installing work of all kinds according to the safety rules of the National board of fire underwriters
A 1905 Chicago trade manual by Henry C. Horstmann and Victor H. Tousley, published by F. J. Drake & Co. to teach American apprentice electricians wiring practice under fire-underwriter rules. Line engravings show switches, bells, annunciators, pulleys and conduit runs in cutaway and plan view, with lettered parts and hatched sections useful as diagram motifs and technical ornament.






























































































