A specialist magazine archive indexes the glass objects once mounted on telegraph and telephone poles. Search by maker, color, mold, or technical detail and you can trace the industrial systems behind a small piece of glass. The online catalog connects physical collecting to years of print research.
Original insulator archive: https://www.cjow.com/
Full Switchboard article: https://switchboardtechservices.com/articles/ancient-web-crown-jewels-of-the-wire-collected-glass-insulator-history/
#ancientweb #industrialhistory #collecting #telegraph
Original insulator archive: https://www.cjow.com/
Full Switchboard article: https://switchboardtechservices.com/articles/ancient-web-crown-jewels-of-the-wire-collected-glass-insulator-history/
#ancientweb #industrialhistory #collecting #telegraph
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Categories: Ancient Web & Internet History [c23]