| Author | Firth, Russell | |
| Title | Railway & Other British Telegraph Insulators Guide | |
| Original Date | 2018 | |
| Notes | Cost wsa 20 pounds plus shipping. | |
| Type | Hobby | |
| Version | Original | |
| Version Author | Firth, Russel | |
| Date | 2018 | |
| Version Notes | ||
| Example Type | Original | |
| Size | 8.5" x 14" | |
| Pages | 84 |