Johnson, William Harding, 1895- [from old catalog] The electrical crafts - New York, The Macmillan company, 1943. - 1 p. l., v-vii, [1], 146 p. illus., diagrs. 29 cm. LCCN: 46044170 Subjects--Topical Terms: Electric engineering. [from old catalog] LC Class. No.: TK146 / .J46 1943