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This illustration dates to the 1870s and shows a Bessemer converter. The caption reads: Bessemer
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This illustration dates to the 1870s and shows a B...

This illustration dates to the 1870s and shows the apparatur for making Bessemer steel. The
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This illustration dates to the 1870s and shows the...

The Magdeburg hemispheres.
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The Magdeburg hemispheres.

The Magdeburg hemispheres.
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The Magdeburg hemispheres.

Pneumatic Devices
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Pneumatic Devices

STS-31 earth observations
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STS-31 earth observations

Pumping bot examined
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Pumping bot examined

Man with a recording mercurial barograph, an instrument made and perfected by the U.S. Weather Bureau which measures, on a magnified scale, the fluctuations in the pressure of the air circa 1936.
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Man with a recording mercurial barograph, an instr...

Leg saver. Chester Antos, student at Georgetown University medical school, photographed with the newly devised Emerson suction pressure apparatus which designers believe will prevent amputation in man...
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Leg saver. Chester Antos, student at Georgetown Un...

Digital improved reproduction
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Digital improved reproduction

June 27, 1997, really hard time have specialists of the mission control centre (mcc) after collision and damage of spektr module on board the space station mir
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June 27, 1997, really hard time have specialists o...

WWII War in Italy 1944 Air raid at Monte Cassino General Ira Clarence Eaker
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WWII War in Italy 1944 Air raid at Monte Cassino G...

WWII War in Italy 1944 Air raid at Monte Cassino General Ira Clarence Eaker
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WWII War in Italy 1944 Air raid at Monte Cassino G...

WWII War in Italy 1944 Air raid at Monte Cassino General Ira Clarence Eaker
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WWII War in Italy 1944 Air raid at Monte Cassino G...

Russian federation, moscow,the russian-us crew on board russia's orbiter mir check air-tightness of the station's faulty hatch section
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Russian federation, moscow,the russian-us crew on ...

Photos Show Wind On Pilot's Face
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Photos Show Wind On Pilot's Face