public address systems

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National Eisteddfod of Wales, Ebbw Vale, 1958 : Paul Robeson on stage during the "Gymanfa ganu"

National Eisteddfod of Wales, Ebbw Vale, 1958 : Paul Robeson on stage ...

Teitl Cymraeg/Welsh title: Eisteddfod Genedlaethol Cymru, Glynebwy, 1958 : Paul Robeson ar y llwyfan yn ystod y Gymanfa ganu.Ffotograffydd/Photographer: Geoff Charles (1909-2002).Dyddiad/Date: August 4, 1958..C... More

Announcing the 1952 National Eisteddfod in Aberystwyth

Announcing the 1952 National Eisteddfod in Aberystwyth

Teitl Cymraeg/Welsh title: Cyhoeddi Eisteddfod Genedlaethol 1952 yn Aberystwyth.Ffotograffydd/Photographer: Geoff Charles (1909-2002).Dyddiad/Date: 29/6/1951.Cyfrwng/Medium: Negydd ffilm / Film negative.Cyfeir... More

Fritzi Scheff demonstrating Magnavox for Fifth Liberty Loan in New York City, 1895 (3332675328)

Fritzi Scheff demonstrating Magnavox for Fifth Liberty Loan in New Yor...

American actress Fritzi Scheff demonstrating a Magnavox public address system in New York City to promote the Fifth Liberty Loan, a US government war bond issue to pay for World War 1. The Fifth Liberty Bond w... More

SLNSW 27762 Steel cabinet with tubular bells record player and public address system for schools

SLNSW 27762 Steel cabinet with tubular bells record player and public ...

Steel cabinet with tubular bells, record player and public address system (for schools ?)

SLNSW 27763 Steel cabinet with tubular bells record player and public address system for schools

SLNSW 27763 Steel cabinet with tubular bells record player and public ...

Steel cabinet with tubular bells, record player and public address system (for schools ?)

Crowd outside 1924 Republican National Convention Cleveland Ohio

Crowd outside 1924 Republican National Convention Cleveland Ohio

Crowd outside the US 1924 Republican National Convention in Cleveland Ohio listening to the speeches inside the hall by means of a public address system inside the sound truck and the horn loudspeakers on the p... More

Horn loudspeaker truck 1929

Horn loudspeaker truck 1929

A prototype horn loudspeaker driven by compressed air and an "artificial larynx" used as a portable public address system in Los Angeles, California, USA in 1929. The inventors tried to imitate human vocal cor... More

Portable 5W public address system 1929

Portable 5W public address system 1929

A portable 5 watt vacuum tube public address system the Unipac made by Silver-Marshall Co. from 1929. From R to L it consists of a phonograph needle pickup for playing music from a mechanical phonograph, a We... More

Diocesan Missionary Fathers, 316 East Marshall Street, Richmond, Va. (16835839842)

Diocesan Missionary Fathers, 316 East Marshall Street, Richmond, Va. (...

Description: 'Saint Mary of the Highways' I & II are names of two trailer chapels operated by the Catholic Diocese of Richmond. Designed by George f. Chaplain, one was built in 1938 and the second in 1948. The... More

1919 Automatic Enunciator quiet

1919 Automatic Enunciator quiet

Advertisement for the Automatic Enunciator public address system, which appeared on pages 256-257 of the 1919 edition of The Modern Hospital Yearbook.