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	Name	Last modified	Size
	Parent Directory
	abc_of_the_telephone_1901.pdf	2022-02-21 07:23	14220 KB
	american_telegraph_practice_1913.pdf	2022-02-21 07:22	13509 KB
	american_telegraphy_and_encyclopedia_of_the_telegraph_1909.pdf	2022-02-21 07:22	43252 KB
	american_telephone_practice_1905.pdf	2022-02-21 07:23	84530 KB
	design_construction_and_operation_of_telephone_exchanges_vol_1_central_offices_1903.pdf	2022-02-21 07:22	2680 KB
	design_construction_and_operation_of_telephone_exchanges_vol_2_underground_conduit_1903.pdf	2022-02-21 07:22	7479 KB
	design_construction_and_operation_of_telephone_exchanges_vol_3_cable_plant1903.pdf	2022-02-21 07:23	5519 KB
	design_construction_and_operation_of_telephone_exchanges_vol_4_aerial_lines_1903.pdf	2022-02-21 07:23	8986 KB
	design_construction_and_operation_of_telephone_exchanges_vol_5_substations_1903.pdf	2022-02-21 07:23	22142 KB
	design_construction_and_operation_of_telephone_exchanges_vol_6_switchboards_1903.pdf	2022-02-21 07:23	9725 KB
	electricity_magnetism_and_electric_telegraphy_1883.pdf	2022-02-21 07:22	13342 KB
	maxwells_theory_and_wireless_telegraphy_1904.pdf	2022-02-21 07:22	6666 KB
	telegraph_engineering_1915.pdf	2022-02-21 07:23	7529 KB
	telegraphy_1905.pdf	2022-02-21 07:23	11161 KB
	telephone_construction_and_methods_and_cost_1908.pdf	2022-02-21 07:23	8466 KB
	telephones_and_telegraphs_1902.pdf	2022-02-21 07:24	13625 KB
	the_age_of_electricity_from_amber_soul_to_telephone_1901.pdf	2022-02-21 07:24	24156 KB
	the_experience_and_observations_of_a_railroad_telegraph_operator_1878.pdf	2022-02-21 07:24	10470 KB
	the_history_and_progress_of_the_electric_telegraph_1869.pdf	2022-02-21 07:23	8786 KB
	the_military_telegraph_during_the_civil_war_vol_1_1882.pdf	2022-02-21 07:22	12768 KB
	the_military_telegraph_during_the_civil_war_vol_2_1882.pdf	2022-02-21 07:23	14106 KB
	the_practical_telephone_handbook_and_guide_to_the_telephonic_exchange_1906.pdf	2022-02-21 07:23	20457 KB
	the_story_of_the_406th_telegraph_battalion_1921.pdf	2022-02-21 07:23	18378 KB
	the_telegraph_instructor_1870.pdf	2022-02-21 07:22	2899 KB
	the_telephone-an_account_1877.pdf	2022-02-21 07:24	3617 KB
	theory_and_practice_of_the_electric_telegraph_1875.pdf	2022-02-21 07:24	9899 KB
	twentieth_century_manual_of_railway_and_commercial_telegraphy_1902.pdf	2022-02-21 07:22	7129 KB