00757cam a22002051 4500 c 98000153 DLC 20260227111038.0 801211s1898 paua 000 0 eng c 98000153 DLC DLC DLC TK4162 .I6 International Correspondence Schools. An elementary treatise on electric lighting ... 1st ed. Scranton, The Colliery engineer co., 1898. 5 v. illus., diagrs. 24 cm. (v. 3: 38 x 29 cm.) v. 1. Arithmetic, mensuration, mechanics.--v. 2. Dynamos and motors, electric lighting.--v. 3. Mechanical drawing.--v. 4. Tables and formulas.--v. 5. Answers to questions. Electric lighting. 13119 13119