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Insulators Canada
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Reference
DTCo. Extended Information
Telegraph History
Dominion Telegraph Co. of Canada 1868-1881
Telegraph Lines of the North West Territories 1883
Telephone History
T.W. Ness
Links
Historic Canadian Glass Factories
Historical Canadian Glass Research
Insulator Publication Index
Events
2023 Perth Insulator Show
Past Events
2020 Perth Insulator Show *CANCELLED*
2021 Perth Insulator Show *CANCELLED*
2022 Perth Insulator Show *CANCELLED*
Insulators Canada
Home
Reference
DTCo. Extended Information
Telegraph History
Dominion Telegraph Co. of Canada 1868-1881
Telegraph Lines of the North West Territories 1883
Telephone History
T.W. Ness
Links
Historic Canadian Glass Factories
Historical Canadian Glass Research
Insulator Publication Index
Events
2023 Perth Insulator Show
Past Events
2020 Perth Insulator Show *CANCELLED*
2021 Perth Insulator Show *CANCELLED*
2022 Perth Insulator Show *CANCELLED*
Insulator Detail
Design Number (CD)
136.4
Primary Embossing
No Name
Full Embossing (EIN)
[010] (F-Crown just above wire groove) [Backwards number] {May have a glass dot above the number} {MLOD} SB
Drawing
More Detail
Photo