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14 résultats pour : valves

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A valve mechanism of a hydrogen balloon
ARP23A12_419

A valve mechanism of a hydrogen balloon

A valve mechanism of a hydrogen balloon
ARP23A12_423

A valve mechanism of a hydrogen balloon

Photograph showing one of the world's smallest water-cooled valves, being compared with a large one
ARP23A18_239

Photograph showing one of the world's smallest wat...

America's Petroleum Industries
ARP18A08_148

America's Petroleum Industries

thermionic tube or thermionic valve
ARP18A30_304

thermionic tube or thermionic valve

thermionic tube or thermionic valve
ARP18A30_303

thermionic tube or thermionic valve

Advert for the Victory Flush Valve from Victory Valves Ltd.
ARP17A27_458

Advert for the Victory Flush Valve from Victory Va...

inside view of a Ferranti wireless radio unit
ARP17A23_443

inside view of a Ferranti wireless radio unit

inside view of a Ferranti wireless radio unit
ARP17A23_441

inside view of a Ferranti wireless radio unit

Descartes' model of the antagonistic eye muscles A,E
ARP07108_0460000674

Descartes' model of the antagonistic eye muscles A...

William Harvey
ARP07103_460000209

William Harvey

William Harvey
ARP07103_460000210

William Harvey

Kingstown and Dalkey Atmospheric Railway
ARP07104_460001214

Kingstown and Dalkey Atmospheric Railway

Descartes' idea of the 'hydraulic' action of the nerves
ARP07105_460001613

Descartes' idea of the 'hydraulic' action of the n...