Search Results
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Plate 169: Crane for lifting heavy weights
- 1588
Especially useful for lifting stones, mortar, and other construction material.
Mechanics: inertia chain; spur gear and lantern; lewis.
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Digital Equipment Corporation PDP-11/05
- Undated
The photograph shows a DECpack, DECcassette, and DECwriter in what appears to be a Beckman Instruments office. The PDP-11/05 was released in 1972, a low-cost entry in a line of 16-bit minicomputers that were sold from…
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Plate 168: Two cranes for lifting heavy weights
- 1588
Left: for lifting stones, mortar, and other construction materials for large buildings. Right: for lifting bales, barrels, and other merchandise from a ship.
Mechanics: inertia chain; worm and worm gear.
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Plate 167: Screw-jack for bending or breaking the iron gratings protecting a city wall or canal
- 1588
Can be operated by a single person, easily and with little noise. The device depicted here is also illustrated on Plate 166.
Mechanics: hand crank; worm and worm gear; double toggle linkage.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Plate 166: Screw-jack for bending or breaking the iron gratings of a defensive grille
- 1588
Can be operated by a single person, easily and with little noise.
Mechanics: hand crank; worm and worm gear; double toggle linkage.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Unidentified Beckman instruments
- 1960s
- Photographer Karjalas' Photo Vision
- Subject Scientific apparatus and instruments, Beckman Instruments, Inc.
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Beckman OM series oxygen analyzer
- Undated
Developed from a Linus Pauling design during WWII, the technology behind Beckman Instruments’ oxygen analyzers ended up doing such diverse jobs as monitoring astronauts’ respiration, maintaining packaged food safety,…
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Plate 165: Screw-jack for bending the iron gratings of a defensive grille
- 1588
Can be operated by a single person, easily and with little noise. The device depicted here is also illustrated on Plate 164.
Mechanics: hand crank; spur gear and lantern; worm and worm gear; lantern and rack.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Plate 164: Screw-jack for bending the iron gratings of a defensive grille
- 1588
Can be operated by a single person, easily and with little noise.
Mechanics: hand crank; spur gear and lantern; worm and worm gear; lantern and rack.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Beckman Model 403M Methane Analyzer
- Undated
Smudged ink on the front of the photograph suggests it may have been stored alongside other Photo Visions photographs.
Beckman Instruments, Inc. became interested in measuring, controlling, and fighting air pollution…
- Photographer Karjalas' Photo Vision
- Subject Methane--Analysis, Scientific apparatus and instruments, Beckman Instruments, Inc.
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Plate 163: Screw-jack for breaking the bolt off a door
- 1588
The machine is braced against the chest. Can be operated by a single person, easily and with little noise.
Mechanics: hand crank; worm and worm gear.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Plate 162: Screw-jack for breaking the bolt off a door
- 1588
The machine is braced against the chest. Can be operated by a single person, easily and with little noise.
Mechanics: hand crank; worm and worm gear.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Plate 161: Screw-jack for bending the iron gratings of a grilled window
- 1588
Can be operated by a single person, easily and with little noise.
Mechanics: hand crank; worm and worm gear; lantern and rack.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Plate 160: Screw-jack for bending the iron gratings of a defensive grille
- 1588
Can be operated by a single person, easily and with little noise.
Mechanics: hand crank; worm and worm gear; lantern and rack.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Beckman Creatinine Analyzer 2
- Circa 1979
Beckman's Creatinine Analyzer 2 debuted in 1979. Creatinine, a byproduct of muscle metabolism, can be measured to determine renal function.
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Plate 159: Screw-jack for lifting a door from its hinges
- 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 KLiNa Flame System
- 1970s
Beckman introduced the KLiNa Flame System, a flame photometer with attached diluter and printer, in 1971. Flame photometers determine the presence and concentration of some metal ions in a substance by exposing the…
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Plate 158: Screw-jack for breaking the iron gratings of a portcullis
- 1588
Can be operated by a single person, easily and with little noise. The device depicted here is also illustrated on Plate 157.
Mechanics: wrenches.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Beckman Creatinine Analyzer 2
- Circa 1979
Beckman's Creatinine Analyzer 2 debuted in 1979. Creatinine, a byproduct of muscle metabolism, can be measured to determine renal function.
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Plate 156: Screw-jack for lifting a door from its hinges
- 1588
Can be operated by a single person, easily and with little noise. See Plate 155 for illustration of its mechanism.
Mechanics: worm and worm gear.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Jackscrews, Machinery
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Beckman Glucose Analyzer 2
- Circa 1979
The Glucose Analyzer was developed by James Sternberg in 1969 and was one of several very successful medical testing and analysis instruments that Beckman Instruments produced in the 1970s. Its size, speed, and price…
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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
