The March Of Commerce Collection

Marconi radio apparatus
Marconi radio equipment on a ship. The equipment includes headphones and a Morse code key (lower centre). The equipment is labelled (left-right)

Marconi radio valve. This is a Marconi transmitter valve of the type M.T.6. Marconi patented his radio equipment in 1896, founding a company in 1897 to build the new equipment

Marconi radio apparatus
Marconi radio equipment. This is a Marconi type 31 crystal receiver for ships. Marconi patented his radio equipment in 1896, founding a company in 1897 to build the new equipment

Early Marconi apparatus
Marconi radio equipment on a trans-Atlantic liner. The key at lower right was used to tap out a signal in Morse code, which was transmitted by radio waves

Original Marconi apparatus
Original Marconi radio apparatus. Marconi built and experimented with his first radio equipment in Italy in 1894. He then moved to London, England, patented his invention in 1896

Early car, 1886 Daimler. This photograph is courtesy of the Deutsches Museum, Munich. It was published in The March of Commerce (1927)

Worlds highest beacon light, 1920s. This is the Wyoming Beacon, 2620 metres above sea level. Located in Cheyenne, Wyoming, USA, this beacon guided aeroplanes flying between Chicago and San Francisco

Early car, 1896 Oldsmobile. This is the original Oldsmobile in the US National Museum, Washington DC, USA. Photograph published in The March of Commerce (1927)

USS Shenandoah airship and tender
USS Shenandoah airship moored to its tender the newly-converted USS Patoka during tests in 1924. The Shenandoah was the first rigid airship used by the US Navy

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