Featured Topics

Water

336 items

This digital collection features a broad spectrum of materials related to water quality, testing, and analysis, including advertisements, museum objects, oral history interviews, photographs, and print materials. Other subjects represented in the collection include distillation and filtration, water-power, water-hardness and softening, and the extraction of magnesium from seawater.

Rare books, Engravings

Plate 34: Device for raising water from a low place by river or canal current
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: undershot waterwheel; double interrupted crown gears and lantern gear; lantern and rack; horizontal working beam; bell crank.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Water-power, Water-wheels, Machinery
Rare books, Engravings

Plate 115: Grain mill powered by channel running off an elevated pool
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: horizontal waterwheel; spur gear and lantern.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Water-power, Mills and mill-work, Machinery
Rare books, Engravings

Plate 61: Single-person-operated device for drawing water from a well
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: hand crank; machine crank; lift pump; flap valve; horizontal working beam; flywheel.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Reciprocating pumps, Wells, Machinery, Hand pumps
Rare books, Engravings

Plate 8: Single-person-operated device for drawing water from a well
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
This is the only image showing a woman as the prime mover of a machine.

Mechanics: hand crank; force pump; conical valve; interrupted crown gear and lanterns; double worm and reversing racks; roller guides.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Reciprocating pumps, Wells, Machinery, Hand pumps
Rare books, Engravings

Plate 80: Single-person-operated device for drawing water from a very deep well
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: horizontal spoked treadwheel; bucket; spur gear and lantern; roller shaft bearing.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Wells, Machinery
Rare books, Engravings

Plate 136: Timber sawmill to cut wood and make boards, powered by canal current
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: undershot waterwheel; machine crank; bell crank; roller guides.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Water-power, Sawmills, Machinery
Rare books, Engravings

Plate 67: Device for raising water from a river
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: horizontal submerged waterwheel; oscillating wing pump; conical valve; double interrupted crown gears and lantern gear; double worm and reversing racks; roller guides.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Reciprocating pumps, Water-power, Machinery
Photographs

Beckman Water Quality System
- Undated
- Photographer Photomation
- Subject Scientific apparatus and instruments, Water quality, Water quality--Measurement, Beckman Instruments, Inc.
Advertisements

Wherever there's water, there's pH...
- Undated
Advertisement about using various models of Beckman pH meters for monitoring water quality in industrial settings.

Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
- Creator Of Work Beckman Instruments, Inc.
- Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Beckman Instruments, Inc., Water, Water quality, Water--Analysis
Photographs

Beckman Model 9500 Water Quality Monitor
- Undated
- Subject Scientific apparatus and instruments, Water quality, Water quality--Measurement, Beckman Instruments, Inc.
Photographs

Beckman Water Quality System
- Undated
The Beckman Water Quality System incorporates Hach Company instruments.
- Photographer Photomation
- Subject Scientific apparatus and instruments, Water quality, Water quality--Measurement, Beckman Instruments, Inc.

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