Probably telegraph offices posters & prints

Four buildings along a road in Persia, probably telegraph offices Antoine Sevruguin

Telegraph office, c1900 Unknown

Telegraph office Anonymous

Illustration of Women Working in Telegraph Office Anonymous

Operators at Adelaide Telegraph Office Anonymous

The British and Irish Magnetic Telegraph Company's Offices Threadneedle Street Anonymous

Telegraph Office, Nagpur, Maharashtra, India Anonymous

Telegraph Instruction at the General Post Office Building in St. Martin's-Le-Grand, 1870 Anonymous

Main station of the Exchange Telegraph Company, London, 1882 Unknown

Transmission of Telegraphs at the Central Telegraph Office, November 1870 Jules & Guiaud Jacques Didier

Illustration of the Western Union Telegraph Co. in 1881 Anonymous

New York: The Western Union Telegraph Company Anonymous

A Despatch Brought by a Carrier Pigeon from the Province is Deciphered at the Telegraph Office by an Electrically Illuminated... Anonymous

Operator receiving a message in Morse code on an electric printing telegraph, 1887 Unknown

The Central Telegraph Office: Instrument Gallery Anonymous

Operator sending a message on a Morse electric printing telegraph, 1887 Unknown

Telegraph boys using shower baths, Postal Tel. Co., Broadway, New York, 1910 Lewis Wickes Hine

Union Telegraph Station Anonymous

Morse telegraphy, Cincinnati, Ohio, USA, 1859 Unknown

Comic Electric Telegraph Anonymous

Morse telegraph operating room, Cincinnati, Ohio, USA, 1859 Unknown

The Atlantic Telegraph Cable, Parade Anonymous

Morse electric printing telegraph, c1882 Unknown

Men Admiring Woman Telegraph Operator Anonymous

New York: The Great Home of the Telegraph in America, the Western Union Telegraph Company Anonymous

Morse electric printing telegraph, c1882 Unknown

Telegraph Wires in the Desert Anonymous

Fleet Street, London Robert Dudley

Projection of encoded telegraphic messages, 1870 - Jules Did

The Atlantic Telegraph - A bad look out for Despotism Anonymous

Lord Kelvin's transatlantic telegraph, 1877 John Wright Oakes

Alexander Glen's facsimile telegraph system, 1886 Unknown

Opening of the 1851 London to Paris telegraph link (1852) Unknown

Drawing/Telegraph Transmission of Photo Anonymous

Illustration of a Hand Operating Early Telegraph Anonymous

Telegraph Machine Anonymous