Search Results
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Beckman Model 77 Industrial Flow Colorimeter
- Undated
Colorimeters are used to quantify the concentration of a solute in a solution by measuring the absorbance of a particular wavelength or color of light by the solution.
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Colorimetry--Instruments, Colorimetry, Beckman Instruments, Inc.
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Beckman Model 108A Hydrocarbon Analyzer
- Undated
Beckman Instruments, Inc. became interested in measuring, controlling, and fighting air pollution in the late 1940s and early 1950s, when company president Arnold O. Beckman became the scientific adviser to the Los…
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Beckman Oxygen Analyzer
- 1965-Dec
Though the photograph is labeled as a Model 7C Thermal Conductivity Analyzer, the instrument appears to be an Oxygen Analyzer.
Developed from a Linus Pauling design during WWII, the technology behind Beckman…
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Oxygen--Measurement, Oxygen--Analysis, Beckman Instruments, Inc.
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Beckman Model 7C Thermal Conductivity Analyzer with door open
- Undated
The Model 7C measured the percent of Argon in Oxygen.
- Photographer Kassler Studios
- Subject Gases--Analysis, Argon, Thermal conductivity, Beckman Instruments, Inc., Scientific apparatus and instruments
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Beckman Model 109A Hydrocarbon Analyzer
- Undated
Beckman Instruments, Inc. became interested in measuring, controlling, and fighting air pollution in the late 1940s and early 1950s, when company president Arnold O. Beckman became the scientific adviser to the Los…
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Beckman Hygromite with Recorder and Flowmeter
- Undated
The Hygromite was an electrolytic moisture meter.
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Beckman MV 8000 System for Fiberglas Canada Limited
- Circa 1979
The MV 8000 Process Control System is a multivariable control unit first released in 1979 and used in industrial settings.
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Beckman Hygromite with Sample and By-Pass Flowmeter
- Undated
The Hygromite was an electrolytic moisture meter.
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Beckman Portable Acralyzer
- Undated
Acralyzers monitor and record low atmospheric concentrations of oxidants and oxides of nitrogen.
Beckman Instruments, Inc. became interested in measuring, controlling, and fighting air pollution in the late 1940s and…
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Beckman Acralyzer
- Undated
Acralyzers monitor and record low atmospheric concentrations of oxidants and oxides of nitrogen.
Beckman Instruments, Inc. became interested in measuring, controlling, and fighting air pollution in the late 1940s and…
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc., Air--Pollution--Measurement
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Beckman Model 42 UV/Visible Spectrophotometer
- 1980s
Beckman released the Model 42 Clinical Spectrophotometer in 1981.
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Beckman Microzone Plus Membranes
- Circa 1981
Made of cellulose acetate, these membranes were designed for use with Microzone Electrophoresis Systems.
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Man with Beckman Model 951-A NO/NOx Analyzer
- 1970s
This instrument was used for a wide range of applications, including measuring nitrogen oxides in the atmosphere and in automobile emissions.
Beckman Instruments, Inc. became interested in measuring, controlling, and…
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Plate 60: Device for raising water from a low place by river current
- 1588
Mechanics: undershot waterwheel; force pump; conical valve; lantern and crown gear; Three-lobed disc cam; bell crank.
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Plate 59: Single-person-operated device for drawing water from a well
- 1588
Mechanics: horizontal spoked treadwheel; force pump; conical valve; double interrupted crown gears and lantern gear; spur gear and lantern; horizontal working beam.
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Plate 58: Device for raising water from a river
- 1588
Mechanics: undershot waterwheel; force pump; conical valve; double interrupted crown gears and lantern gear; worm and worm gear; horizontal working beam; bell crank.
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Plate 55: Device for raising water from a pond by canal current
- 1588
Mechanics: undershot waterwheel; force pump; lantern and crown gear; grooved eccentric cam; bell crank.
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Plate 57: Device for raising water from a canal
- 1588
Mechanics: undershot waterwheel; force pump; cylinder cam with single lobe; roller guides.
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Plate 56: Single-person-operated device for drawing water from a well or cistern
- 1588
This device uses a paternoster pump, named for its resemblance to a rosary. Also known as a "rag and chain" pump or a "rubber bucket chain" pump.
Mechanics: hand crank; paternoster chain pump; flywheel.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Cisterns, Wells, Machinery, Hand pumps
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3 items
Plate 144: Bridge for crossing a city or fortress moat and scaling its wall
- 1588
Barrels of earth and debris can be thrown into the moat from under the front of the machine as a decoy to distract from the doubled-over bridge, which can be unfolded quickly and unexpectedly.
Mechanics: winch; hand…
