Featured Topics

Water

335 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 24: Device for raising water from a river or spring by river or canal current
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: undershot waterwheel; force pump; flap valve; double interrupted crown gears and lantern gear; worm and worm gear; lantern and crown gear; motion converter (rotating to linear).
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Reciprocating pumps, Water-power, Machinery
Rare books, Engravings

Plate 68: 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; vertical crankshaft; oscillating wing pump; conical valve; spur gear and lantern; worm and worm gear; crank and connecting rod; flywheel.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Reciprocating pumps, Wells, Machinery, Hand pumps
Rare books, Engravings

Plate 10: 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; force pump; double interrupted crown gears and lantern gear; worm and worm gear; lantern and rack; flywheel; roller guides.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Reciprocating pumps, Wells, Machinery, Hand pumps
Rare books, Engravings

Plate 57: Device for raising water from a canal
- Part of Le diverse et artificiose machine del capitano Agostino Ramelli
- 1588
Mechanics: undershot waterwheel; force pump; cylinder cam with single lobe; roller guides.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Pumping machinery, Reciprocating pumps, Water-power, Machinery
Rare books, Engravings

Plate 81: 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: external vertical treadwheel; bucket; spur gear and lantern.
- Author Ramelli, Agostino, 1531-approximately 1600
- Subject Wells, 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 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.
Photographs

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

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