Search Results
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Plate 155: Mechanism of screw-jack for lifting a door from its hinges
- 1588
Can be operated by a single person, easily and with little noise. See Plate 156 for illustration of this screw-jack in operation.
Mechanics: worm and worm gear.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Beckman Type RS Dynograph
- Undated
Beckman Instruments began producing dynographs in 1961.
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Plate 154: For breaking the bolt off a door
- 1588
Can be operated by a single person, easily and with little noise.
Mechanics: wrenches.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Beckman 8-Track Recorder
- Undated
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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3 items
Plate 153: Bridge for crossing a city or fortress water moat
- 1588
Bridge composed of boat-like floating sections, positioned by pulling them into alignment via a heavy and tethered arrow shot into the scarp.
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Beckman ACTA V spectrophotometer
- 1970s
The ACTA V was a UV-visible spectrophotometer, first released in 1970.
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3 items
Plate 152: Bridge for crossing a city or fortress water moat
- 1588
Bridge composed of broad-bottomed boats, paddled via an internal crank, positioned with a rudder, and fastened together.
Monogrammed "JG" on rock at lower right.
Mechanics: horizontal crankshaft.
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Beckman Type N Dynograph Recorder
- Undated
Beckman Instruments began producing dynographs in 1961.
- Photographer Armstrong & Hess
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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3 items
Plate 151: Bridge for crossing a very deep river
- 1588
Bridge composed of boats, positioned with oars, anchored in place, and connected by unfolding doubled-over bridge sections. See Plate 150 for the transportation of components of bridge by horse.
Monogrammed "JG" on…
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Plate 150: Section of a bridge transported by horse
- 1588
See Plate 151 for the assembly of this bridge.
Monogrammed "JG" on rock at lower left.
Mechanics: winch.
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Beckman Immunochemistry Analyzer
- After 1977
Beckman Instruments debuted an Immunochemistry Analyzer in 1977 and an Auto ICS (Immunochemistry System) in 1980.
- Photographer Karjalas' Photo Vision
- Subject Immunochemistry, Scientific apparatus and instruments, Beckman Instruments, Inc.
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3 items
Plates 148 & 149: Bridge for crossing a river with shallow water
- 1588
Bridge with retracting sections, supported in the water by legs.
Mechanics: winch; roller guides.
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3 items
Plate 147: Bridge for crossing a city or fortress water moat
- 1588
Bridge sections composed of trapezoidal prisms are transported rolled up. Unrolled, the sections are connected together with hinges, and the bridge floats on the water.
Mechanics: winch; ratchet; projectile throwing…
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Beckman Model CP Constant Flow Paper Electrophoresis Cell, Fraction Collector, and Constat power supply
- Undated
Electrophoresis uses an electric field to separate particles in a medium (like a gel) based on their size, charge, or a binding affinity.
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Infotronics Model CRS-100 Integrator
- Undated
Houston, Texas-based Infotronics introduced the CRS-100 in 1967.
- Photographer Hesketh, Dean D.
- Subject Scientific apparatus and instruments, Integrators, Beckman Instruments, Inc.
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Plate 146: Bridge for crossing a city or fortress water moat
- 1588
This machine uses the principle of Nürnberg scissors, which are also known as Narrenschere (fool's scissors).
Mechanics: winch; Nürnberg scissors.
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3 items
Plate 145: Bridge for crossing a city or fortress moat
- 1588
Bridge with retracting sections.
Mechanics: capstan bars; winch; lantern and rack; roller guides.
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Beckman/Spinco Model 120B Amino Acid Analyzer
- Undated
First marketed in 1960, the Beckman/Spinco Model 120 Amino Acid Analyzer used the Spackman-Stein-Moore technique of amino acid chromatography.
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Plate 172: Crane for lifting heavy weights
- 1588
Mechanics: hand crank; spur gear and lantern; worm and worm gear; lantern and crown gear; flywheel; lewis.
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Plate 171: Crane for lifting heavy weights
- 1588
Especially useful in the construction of large buildings.
Mechanics: hand crank; worm and worm gear; lantern and crown gear; rope drive; flywheel.
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Plate 170: Crane for lifting heavy weights
- 1588
Mechanics: internal vertical treadwheel; spur gear and lantern; worm and worm gear.
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Beckman Model 24 spectrophotometer with vacuum control and printer
- 1970s
Beckman's Model 24 was a double-beam visible light spectrophotometer.
- Photographer Photomation
- Subject Scientific apparatus and instruments, Spectrophotometer, Optical spectroscopy, Beckman Instruments, Inc.
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Beckman Model DU spectrophotometer with vacuum control and printer
- Undated
The first Beckman Instruments DU Spectrophotometer was developed in 1940, when the company was still called National Technical Laboratories. Spurred by employee Howard Cary (who had previously been involved in pH meter…