Electrical novelties
Subtitle: the ultra vacuum electrodes, X-ray tubes and stands, the multiple spark interrupter, spark lamp to produce violet rays, spark regulator for coil, electric heaters, X-ray plates
Publisher: Swett & Lewis Company
Published: 1903
Place of publication: Boston
Language: eng
Number of pages: 16
Subjects: Catalogs; Equipment and supplies; X-rays; Electric apparatus and appliances; Electrical Equipment and Supplies
Notes: At head of title: Bulletin thirty-two.