Search Results
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2 items
Bausch & Lomb Spectroscope
- Undated
Spectroscope is in the style of the original Bunsen-Kirchhoff design. Triangular glass prism sits on a round, brass dias and is held in place by a metal arm attached to the dias; prism is coated in black paint with only…
- Manufacturer Bausch & Lomb Optical Company
- Subject Spectrometer, Bausch & Lomb Optical Company, Spectrum analysis, Spectroscope
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2 items
Bausch & Lomb Duboscq Type Colorimeter
- Undated
Cast iron base attached to a sloping cast iron upright supporting the reader, prisms, sample cups, and a mechanism for raising and lowering the sample cups on a focusing rail; metal knobs on each side control the height…
- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Colorimetry--Instruments, Colorimetry
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2 items
Bausch & Lomb Duboscq Type Colorimeter
- Undated
A: Duboscq type colorimeter, biological, with electric illuminator. Hollow black cast iron base attached to a sloping cast iron upright supporting the reader, prisms, and sample cups; reader detaches with two metal…
- Manufacturer Bausch & Lomb Optical Company
- Subject Bausch & Lomb Optical Company, Colorimetry--Instruments, Colorimetry
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Barite
- Undated
Barium (atomic symbol Ba) is an alkaline Earth metal. Barite (also spelled baryte) is a mineral composed of barium sulfate. It is used in paints, inks, paper, and rubber. It is also used in radiology for diagnostic…
- Subject Precious stones, Minerals, Barite
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Bakelite Molecular Orbital Model
- Undated
Black Bakelite cylindrical base with four steel arms giving it support; red Bakelite circles are attached to the end of each arm; the model itself is attached with a steel arm that protrudes upward from the base; model…
- Subject Molecules--Models, Molecular orbitals, Bakelite
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Bakelite Molecular Orbital Model
- Undated
Black Bakelite cylindrical base with four steel arms giving it support; red Bakelite circles are attached to the end of each arm; the model itself is attached with a steel arm that protrudes upward from the base; model…
- Subject Molecules--Models, Molecular orbitals, Bakelite
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Bakelite Molecular Orbital Model
- Undated
Black Bakelite cylindrical base with four steel arms giving it support; red Bakelite circles are attached to the end of each arm; the model itself is attached with a steel arm that protrudes upward from the base; model…
- Subject Molecules--Models, Molecular orbitals, Bakelite
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Bakelite Goggles
- Undated
Pair of protective eyewear worn while welding and cutting. Bakelite frames are reddish-brown in color and attached to adjustable black elastic headband. Lenses are reflective and appear dark green in color when not in…
- Subject Safety goggles, Bakelite
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6 items
Autobiography of Howard Cary
- Undated
This account of Howard Cary's life covers the period from his birth to his initial contact with National Technology Laboratories and brief discussion of his later involvement with pH meter development. He devotes a fair…
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24 items
Ausfärbungen auf Federn
- Shades on Feathers
- Teintures sur Plumes
- Undated
Sample book with dyeing instructions and an 18-section foldout containing 143 dyed feathers.
- Creator Of Work Bayer Company, Inc.
- Subject Feathers, Dyes and dyeing--Feathers
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2 items
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3 items
Aufgaben der physikalisch-chemischen Einführungskurs
- Assignments from and Introductory Physical Chemistry Course
- Undated
- Subject Chemistry--Study and teaching
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Arthur von Oettingen's personal calling card
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Calling card belonging to Arthur von Oettingen (1836-1920) a German physicist and music theorist.
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Arnold and Mabel Beckman with William and Mrs. Ballhaus at an unidentified anniversary dinner
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Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
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Arnold O. Beckman with unidentified man at construction site
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Arnold O. Beckman (right) and an unidentified man looking at what are likely blueprints or architectural drawings in front of construction equipment.
- Photographer Cox, Robert
- Subject Beckman, Arnold O., Construction equipment
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Arnold O. Beckman medallion
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A test or initial pressing of a medallion bearing Arnold Beckman's face and his personal motto, "there is no satisfactory substitute for excellence." The fact that the medal refers to him as "founder" (as opposed to…
- Subject Beckman, Arnold O., Mottoes, Medals, Beckman Instruments, Inc.
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Arnold O. Beckman at an unidentified groundbreaking ceremony
- Undated
The instrument is labeled "Beckman Data and Control System[s]." The other men in the photograph are unidentified.
- Photographer Rothschild Photo
- Subject Beckman, Arnold O., Jackhammers
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Arnold O. Beckman and unidentified men at a Beckman Instruments function
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Arnold Beckman is on the left.
- Photographer Dern Photography
- Subject Beckman, Arnold O., Beckman Instruments, Inc.
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Arnold O. Beckman and an unidentified man with Beckman Instruments products
- Undated
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
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Arnold O. Beckman and Mabel Beckman with Gerald Ford
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Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and thus began a long career manufacturing scientific and medical instruments with National Technical Laboratories,…
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Arnold Beckman with two unidentified men
- Part of Arnold Beckman at award dinners
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Arnold Beckman and two unidentified men, smiling over unidentified hardware.
- Photographer Crest Photography
- Subject Beckman, Arnold O., Award presentations
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3 items
Arnold Beckman at award dinners
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Arnold Beckman and unidentified individuals at various award dinners.
- Subject Beckman, Arnold O., Award presentations
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Arnold Beckman and Walt
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This may be a photograph of Dr. Arnold O. Beckman with Walt Donner, the manager of Beckman Instruments' Space Engineering Department in the 1960s.