Search Results
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4 items
Sterimatic: Automatic Preparation of Sterilizing Rinse Solutions for Fountains and Bars
- Circa 1940
The brochure touts the benefits of a device which automatically dispenses a pH-controlled chlorine germicide rinse. Soda fountains, bars, and lunch counters are the target market.
- Creator Of Work Beckman Instruments, Inc.
- Subject Infection--Prevention, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Chlorine, Sterilization, Disinfection and disinfectants, Beckman Instruments, Inc., Restaurants--Sanitation, Hydrogen-ion concentration
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2 items
pH
- Undated
This mailer, sent to Beckman shareholders, was a reprint from a company publication and explained the significance of the pH meter.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from…
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Fig. 67: Gannets' Breeding-ground on a Guano Island
- 1913
- Author Martin, Geoffrey, 1881-1966
- Publisher D. Van Nostrand Company
- Subject Nitrogen, Chemistry, Phosphorus, Calcium phosphate, Gannets, Guano
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Fig. 54: Stalactite Columns
- 1913
- Author Martin, Geoffrey, 1881-1966
- Publisher D. Van Nostrand Company
- Subject Calcium carbonate, Chemistry, Stalactites and stalagmites, Carbon dioxide, Limestone
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Fig. 65: Lunar Landscape
- 1913
- Author Martin, Geoffrey, 1881-1966
- Contributor Nasmyth, James, 1808-1890, Carpenter, James, 1840-1899
- Publisher D. Van Nostrand Company
- Subject Lunar geology, Moon, Sulfur, Lunar volcanoes, Lunar craters, Chemistry
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Fig. 53: Exploration of Maelstrom in Mammoth Cave
- 1913
In Chapter XI on carbon dioxide, Geoffrey Martin discusses limestone rocks and formations. Of Mammoth Cave in Kentucky, he writes:
"One distant and dangerous abyss, called the Maelstrom, was first explored by a boy,…
- Author Martin, Geoffrey, 1881-1966
- Publisher D. Van Nostrand Company
- Subject Chemistry, Carbon dioxide, Caves, Limestone, Kentucky--Mammoth Cave
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FIg. 32: Dr. Leonard Hill administering Oxygen
- 1913
- Artist Ambrose, Charles
- Author Martin, Geoffrey, 1881-1966
- Publisher D. Van Nostrand Company
- Subject Chemistry, Breathing apparatus
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Fig. 59 (Frontispiece): Silica Terraces at Rotomahana
- 1913
- Author Martin, Geoffrey, 1881-1966
- Photographer Burton Brothers (Firm)
- Publisher D. Van Nostrand Company
- Subject New Zealand--Lake Rotomahana, Chemistry, Silica
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19 items
Triumphs & Wonders of Modern Chemistry
- A Popular Treatise on Modern Chemistry and its Marvels, written in Non-Technical Language for General Readers and Students
- 1913
- Author Martin, Geoffrey, 1881-1966
- Publisher D. Van Nostrand Company
- Subject Chemistry
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2 items
Bendix Mass Marker and Output Scanner
- 1970s
Close-up view of a Bendix Model MA-030 Mass Marker and Model MA-010 Output Scanner designed for use with a Bendix Time-of-Flight Mass Spectrometer. The Time-of-Flight Mass Spectrometer (TOFMS) was the flagship…
- Creator Of Work Bendix Corporation
- Manufacturer Mel Simon Inc./Photo Services
- Subject Scientific apparatus and instruments, Spectrometer industry, Mass spectrometry, Time-of-flight mass spectrometry, Bendix Corporation
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3 items
Beckman Has Sample Conditioning System for Combustion Flue Gases
- 1981-May-05
The Beckman 743 System conditioned combustion flue gases for oxygen analysis.
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3 items
Beckman Rheumatoid Factor Assay System Provides Quantitative Measurement
- 1981-May-01
The press release announces an assay for precisely measuring, rather than estimating, rheumatoid factor.
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3 items
Beckman Introduces Moisture/Relative Humidity Transmitters and Sensors
- 1981-May-01
The press release announces the addition of Series 83 Relative Humidity and Temperature Climate Sensors and Series 54 Moisture/Temperature Transmitters to its Hygroline product line.