Report on the International Exhibition of Electricity: Engineer Departement, United States Army. Held at Paris August to November, 1881

Ancient and Modern Light-houses

History of the Application of the Electric Light to Lighting the Coasts of France

Report on the International Exhibition of Electricity Held at Paris August to November, 1881

Report on the International Exhibition of Electricity Held at Paris, August to November, 1881: Page 21

Report on the International Exhibition of Electricity Held at Paris, August to November, 1881: Page 21

Report on the International Exhibition of Electricity Held at Paris, August to November, 1881: Page 21

Report on the International Exhibition of Electricity Held at Paris, August to November, 1881: Page 21

Report on the International Exhibition of Electricity Held at Paris, August to November, 1881: Page 21

Report on the International Exhibition of Electricity Held at Paris, August to November, 1881: Page 21