Valve Collection (page 6)

Scaled design drawing for the valve assembly of a balloon, including top, bottom, and side views. Date 1868?

Diving, Malta 1969
Divers vent compressed air from a valve in the roof of the Underwater House, after setting it up, 30 feet beneath the surface of Paradise Bay, off the coast of Malta. Date: 1969

Quick release hydralic bracket on tractor for powering loader, England, october

Brown rotary steam engine. Diagram showing a cross-section through the Brown rotary steam engine. The rotor, valves and gears are shown here

Pressure valve. Hand adjusting a pressure valve. This is a device that allows the monitoring of the pressure in a system, and well as releasing excess pressure if needed

Steam engine lubricator. Artwork of a lubricator used in steam engines. This device consists of a manual regulator valve (top) and a sight-feed (glass chamber)

Wheelock steam engine. Diagram of a Wheelock steam engine, seen from the side, showing the valves and gears. This steam engine was invented by the US engineer Jerome Wheelock (1834-1902)

Crude oil valve. Crude oil has leaked from the valve and polluted the surrounding environment. Photographed in Trinidad

Natural gas compressor station machinery. Natural gas is a fossil fuel obtained from underground oil and gas deposits. Here

Blood vessel types, artwork
Blood vessel types. Artworks of the three types of blood vessels, from left: arteries, veins, and capillaries. Arteries are thick blood vessels carrying oxygenated blood around the body away from

Selectron computer tubes
Selectron tubes. Computer information storage tubes (valves) on the Johnniac mainframe computer, which is housed at the Computer History Museum, California, USA

Pneumatic tubes, 19th century
Pneumatic tubes. Historical artwork of a pneumatic messaging system at the Paris Post Office, France, in the 19th century

Artificial heart valve
False-colour angiogram (X-ray image) of the human heart, showing a mechanical Starr-Edwards aortic heart valve. A normal aortic valve regulates the flow of blood from the left ventricle into

Heart tendons, SEM
Heart strings. Coloured scanning electron micrograph (SEM) of the hearts chordae tendineae. These are delicate thread-like bands of fibrous tissue that attach the papillary muscles on the internal

Heart valve tendons, SEM
Heart valve tendons. Coloured scanning electron micrograph (SEM) of the chordae tendineae, tendons which attach the atrioventricular heart valves to their muscles

Coloured SEM of the mitral valve of a human heart
Mitral valve of heart. Coloured Scanning Electron Micrograph (SEM) of the mitral valve of a healthy human heart. The mitral valve is one of the atrio- ventricular valves which channels the flow of

False-colour SEM of a portion of a cardiac valve
Heart valve. False-colour scanning electron micrograph of a portion of one of the atrioventricular valves of the heart: either the tricuspid or the mitral valve

False-colour SEM of the aortic valve
Heart valve. False-colour scanning electron micrograph of the aortic valve (bottom centre). It lies between the left ventricle of the heart and the aortic arch and consists of a fibrous annulus (ring)

Christmas tree assembly. An array of pipes and valves fitted to a production wellhead. This assembly controls flow and comprises at least two isolation valves to prevent accidents

Blood vessel structure, artwork
Blood vessel structure. Artwork showing the layers of tissue in the walls of a vein. In the lumen of the vein are valves (grey) that prevent the back flow of blood

Russian rocket engines on display at the 2011 Paris Air Show

Heart disease, 18th century

Radiator leak being repaired. Welding torch and solder being used to repair a leaking section of a central heating pipe connection to a radiator

Venous valve, artwork
Venous valve. Artwork showing the anatomy of a vein. Veins carry deoxygenated blood from the body to the heart and lungs. Within hte lumen of the vein are venous valves

Arm veins and valves, 16th century. Artwork of the discovery by the Italian anatomist and surgeon Hieronymus Fabricius (1533-1619) of valves within veins

Radio receiver vacuum tubes
Interior of an historical radio receiver showing vacuum tubes and other parts

Sewage sludge burning plant
Sewage disposal. View of pipework at a sewage sludge combustion plant. Combustion is a common method of dealing with sewage sludge

Liquid nitrogen fire appliance controls
Fire fighting. Control valves of a liquid nitrogen fire fighting vehicle. Called the AGT-4000, this is intended for fires in contained areas

Leningrad nuclear power station
Nuclear power station. View of part of the turbine hall at the Leningrad nuclear power station at Sosnovy Bor. The station uses four RBMK-1000 reactors, the type used at the Chernobyl site

Historic Russian computer. View of part of the Ural-1, a computer built in Russia in 1959. Ural-1 used thermionic valves and could perform 12

Pump gauge. Close-up of the pressure gauge on a cooling pump

Heart valves, artwork
Heart valves. Cutaway artwork of the inside of the heart, showing the various valves. The first two artworks (left and centre) show the atrioventricular valves between the hearts atria (top)

Analogue computer. These machines were the precursor of modern digital computers. This is an EAI (Electronics Associates Incorporated) Pace 231-R computer, a US model produced in 1961

Locomotive no 271 four cylinder express fitted with Walschaert gear

London, Locomotive engine with Fentons expansion gear, plan, front, side elevations, sections Date: 1844

John Gray valve gear diagram Date: 1846

Star locomotive, Grays patent engine, side elevation Date: 1897

Passenger engine fitted with Dodds wedge motion, longitudinal section Date: 1841

GWR locomotive, Treffgarne, Pembrokeshire, South Wales
Four railway workers with a Great Western Railway locomotive, Amesbury, at Treffgarne, Nant Y Coy, Pembrokeshire, Dyfed, South Wales

Adjusting a valve in a submarine
A sailor adjusts a valve in the engine room of a British submarine. Photograph by Heinz Zinram Date: 1950s

British gas mask
A British soldier wearing a respirator or gas-mask with an air-valve on the top. The Germans first used poisonous gas at Ypres on April 22nd 1915

Valve Trumpet on its Own
The VALVE TRUMPET is a sophisticated version of the Natural Trumpet, and is the form generally used

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"Unlocking the Power: The Fascinating World of Valves" Revving into History: The 1938 Scott Flying Squirrel motorcycle showcases the importance of valves in the engine's performance. A Symphony of Sound: Discover the mesmerizing Valve Horn on its Own, an intricate musical instrument that relies on precise valve mechanics. Matters of the Heart: Delve into the intricate anatomy and functionality of valves within the human heart through captivating artwork. Controlling Flow: Witness a BP employee opening flow valves, highlighting their crucial role in managing oil and gas distribution. Electronic Marvels: Unveiling an early electronic valve diagram, showcasing how these innovative devices revolutionized technology. Wireless Wonders: Explore the world's largest wireless valve and marvel at its ability to transmit signals across vast distances effortlessly. Racing Legends: Step back in time with Harley Davidson V-Twin Racer (8-valve), 1916 Grey, a testament to engineering excellence and high-performance valves. Digestive Dynamics: Journey through stunning artwork depicting valves within our digestive system, shedding light on their vital role in digestion. Powerhouse Locomotive: Uncover Hercules, a locomotive luggage engine powered by robust valves that propelled trains across vast landscapes. Innovations Galore. Meet G. H Davis' groundbreaking creation - The Magnetron Valve - paving the way for advancements in radar technology during WWII. Engineering Marvels Take Flight. Behold Rolls-Royce Exe 24-cylinder air-cooled X-block engine featuring cutting-edge valve technology propelling aviation to new heights. Valves may seem like simple components but have played an extraordinary role throughout history – from motorcycles to music instruments, from human anatomy to industrial applications – they are truly unlocking power and innovation in various fields.