Items
Subject is exactly
District and alarm telegraphs (domestic telegraph)
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[X119HA], Incorporation Record, Domestic Telegraph Co, April 2nd, 1874
1874-04-02 -
[X119HB], Incorporation Record, Domestic Telegraph Co, April 9th, 1874
1874-04-09 -
[X128B023], Technical Note, John F Ott, September 5th, 1880
1880-09-05 -
[X154A1AI], Letter from Edward Hibberd Johnson to Uriah Hunt Painter, December 17th, 1877
1877-12-17 -
[X154B2AE], Letter from Charles Augustus Cheever to Gardiner Greene Hubbard, March 18th, 1878
1878-03-18