Insulator patents, 1880-1960
By: by Jack H. Tod.
Publisher: J.H. Tod
Published: 1985
Place of publication: Phoenix, AZ (3427 N. 47th Place, Phoenix 85018)
Language: eng
Number of pages: 130
Subjects: Electric insulators and insulation -- Patents.; Electric insulators and insulation -- Collectors and collecting.
Notes: "Privately published."