Kraehenbuehl, John O.
Electric illumination / John O. Kraehenbuehl. - 2nd ed. - New York : John wiley, c 1951. - ix, 446 p. : ill. ; 24 cm.
Includes index.
Bibliography : p. 428.
337 337
Electric lighting.
621.32 / K855e
Electric illumination / John O. Kraehenbuehl. - 2nd ed. - New York : John wiley, c 1951. - ix, 446 p. : ill. ; 24 cm.
Includes index.
Bibliography : p. 428.
337 337
Electric lighting.
621.32 / K855e