ORIGINAL PRINTED PATENT APPLICATION NUMBER 14,052 FOR IMPROVEMENTS IN APPARATUS FOR OPENING AND CLOSING ELECTRIC SWITCHES AND TURNING ON AND OFF GAS LIGHT AS DEFINITE TIMES. (1909)
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Book Details
Author(s)Johann Georg (inventor). Mehne
PublisherHMSO
ISBN / ASINB000HINHAA
ISBN-13978B000HINHA2
Sales Rank99,999,999
MarketplaceUnited States 🇺🇸