| Author | Branham, Aubrey & Penelope | |
| Title | Collection of Insulator Patents Issued by the United States Patent Office 1851-1885, A. Parts 1 & 2 | |
| Original Date | 1972 | |
| Notes | ||
| Type | Hobby | |
| Version | ||
| Version Author | Branham, Aubrey & Penelope | |
| Date | 1972 | |
| Version Notes | ||
| Example Type | Original | |
| Size | 0" x 0" | |
| Pages | 0 |