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• 
  Postage stamps, Ephemera

  Postcard and French postage stamp commemorating Louis Pasteur

  • After 1885 – before 1953

  Postcard image is a reproduction of Finnish painter Albert Edelfelt's famed portrait "Pasteur Dans Son Laboratoire" [Pasteur In His Laboratory]. The portrait depicts Pasteur in his laboratory at the rue d'Ulm,…

  • Artist Hourriez, Georges
  • Contributor Edelfelt, Albert, 1854-1905
  • Subject Microbiologists, France, Chemists, Pasteur, Louis, 1822-1895, Postmarks, Commemorative postage stamps, Science on postage stamps, Postcards, Semipostal stamps, Edelfelt, Albert, 1854-1905
• 

  2 items
  Advertisements, Ephemera

  Trade card for Libox, Extrait de Viande Assaisonné [Libox, Seasoned Beef Extract]

  • Claude Louis Berthollet visits Antoine Laurent Lavoisier at the Sorbonne in Paris

  • 1903

  Illustrated trade card depicts chemist Claude Louis Berthollet (1748-1822) visiting Antoine Laurent Lavoisier (1743-1794) while Lavoisier was working in a lab at the Université de Paris or Sorbonne University. They…

  • Publisher Liebig's Extract of Meat Company
  • Subject Lavoisier, Antoine Laurent, 1743-1794, Université de Paris, Berthollet, Claude-Louis, 1748-1822, Advertising, Advertising cards, Liebig's Extract of Meat Company, Meat extract, Printed ephemera
• 

  2 items
  Advertisements, Ephemera

  Trade card for Cubes de Bouillon Oxo with August Wilhelm von Hofmann

  • 1903

  Illustrated trade card depicts German chemist August Wilhelm von Hofmann (1818-1892) at the inauguration of the School of Chemistry in London in 1846, of which Hofmann served as the first director. Men stand at a table…

  • Publisher Liebig's Extract of Meat Company
  • Subject Hofmann, August Wilhelm von, 1818-1892, Advertising, Advertising cards, Liebig's Extract of Meat Company, Meat extract, Printed ephemera
• 

  2 items
  Advertisements, Ephemera

  Trade card for Libox, Extrait de Viande Assaisonné [Libox, Seasoned Beef Extract] with Franz Karl Achard

  • 1903

  Illustrated trade card depicts German (Prussian) chemist, physicist, and biologist Franz Karl Achard (1753-1821) walking through a sugar beet refinery, with view of workers illustrating various stages of the production…

  • Publisher Liebig's Extract of Meat Company
  • Subject Achard, Franz Carl, 1753-1821, Advertising, Advertising cards, Liebig's Extract of Meat Company, Meat extract, Printed ephemera, Sugar--Manufacture and refining
• 
  Postage stamps

  Mounted French postage and semipostal stamps depicting Louis Pasteur

  • 1922 – 1936

  Nine small postage stamps in various denominations issued in commemoration of the 100th anniversary of the birth of Louis Pasteur in 1922. The large semipostal stamp was issued in 1936 and includes a surtax for the…

  • Artist Hourriez, Georges
  • Subject Postage stamps, Microbiologists, France, Chemists, Pasteur, Louis, 1822-1895, Semipostal stamps, Commemorative postage stamps, Science on postage stamps
• 

  2 items
  Advertisements, Ephemera

  Engrais Chimiques des Manufacture de St. Gobain

  • Chemical Fertilizers Manufactured by St. Gobain

  • Circa 1925

  Advertising postcard for St. Gobain, or Compagnie de Saint-Gobain, depicts a man pointing to a map of St. Gobain's chemical fertilizer plants located in France. Text underneath the map states "26 usines" or factories,…

  • Printer Courmont Frères
  • Publisher Compagnie de Saint-Gobain
  • Subject Sulfuric acid industry, Compagnie de Saint-Gobain, Postcards, Glass manufacture, Corporations, Advertising, Bauman, Robert Joel, Fertilizers, Chemical industry
• 
  Business correspondence

  Letter from Glenn Joseph to Arnold O. Beckman

  • Circa 1933

  Glenn Joseph writes to Dr. Beckman about the process of finding the right buffer to use in the new glass electrodes inside the pH meter. The identify of the "Dr. Dupont" referenced in this letter is uncertain.

  Arnold…

  • Addressee Beckman, Arnold O.
  • Author Joseph, Glenn
  • Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Sunkist Growers, inc., Scientific apparatus and instruments, Hydrochloric acid, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, California Fruit Growers Exchange, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Glenn Joseph to Arnold O. Beckman

  • 1933

  In this letter, Glenn Joseph reports that the vacuum-tube amplifier in the early Beckman pH meter model is (still) not functioning properly. One of the fixes he proposes is replacing the vacuum tubes with a glass…

  • Addressee Beckman, Arnold O.
  • Author Joseph, Glenn
  • Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Sunkist Growers, inc., Scientific apparatus and instruments, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, Amplifiers, Vacuum-tube, California Fruit Growers Exchange, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Arnold O. Beckman to Glenn Joseph

  • 1934-Jun-25

  Letter regarding the possible contents of and functioning of the glass electrode in the first pH meter models.

  Arnold Beckman invented his first pH meter in 1934 at the request of Glenn Joseph, a chemist from the…

  • Addressee Joseph, Glenn
  • Author Beckman, Arnold O.
  • Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Hydrochloric acid, Electrodes, Glass, California Fruit Growers Exchange, Beckman Instruments, inc.
• 
  Business correspondence

  Financial statement for McLeod Gauge and glass electrode development

  • 1934-Apr-10

  Invoice from Arnold O. Beckman to W. E. Baier
  for developing and calibrating McLeod gauges and glass electrodes -- components involved in the early Beckman pH meter.

  Arnold Beckman invented his first pH meter in 1934…

  • Addressee Baier, W. E.
  • Author Beckman Instruments, inc.
  • Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, Beckman Instruments, inc., Pressure gages
• 
  Business correspondence

  Letter from W. E. Baier to Arnold O. Beckman

  • 1934-Jun-22

  This letter spells out the instrument maintenance and upgrades that the California Fruit Growers Exchange believe are included with the cost of developing the "glass electrode apparatus" (an early prototype of the…

  • Addressee Beckman, Arnold O.
  • Author Baier, W. E.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Sunkist Growers, inc., Scientific apparatus and instruments, Electrodes, Glass, Scientific apparatus and instruments--Design and construction, California Fruit Growers Exchange, Beckman Instruments, inc.
• 
  Business correspondence

  Financial statement for glass electrode

  • 1934-Jun-19

  A bill sent by Arnold Beckman to W. E. Baier, covering the cost of a "glass-electrode apparatus," which was included in the first Beckman pH meter.

  Arnold Beckman invented his first pH meter in 1934 at the request of a…

  • Addressee Baier, W. E.
  • Author Beckman Instruments, inc.
  • Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Electrodes, Glass, Invoices, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Arnold O. Beckman to Glenn Joseph

  • 1934-Apr-09

  Directions for calibrating a McLeod gauge for use with the early model of the Beckman pH meter. This letter is likely related to the handwritten McLeod gauge diagrams and calculations also found in this folder. At the…

  • Addressee Joseph, Glenn
  • Author Beckman, Arnold O.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Pressure gages, California Fruit Growers Exchange, Beckman Instruments, inc., Scientific apparatus and instruments
• 
  Documents

  Job schedule for National Technical Laboratories

  • 1934-Jan-09

  This job schedule is a snapshot of the work being done by NTL in January, 1934. This work included the important pH meter development for the California Fruit Growers Exchange, of course, but also a project for Lee de…

  • Creator Of Work Beckman Instruments, inc.
  • Subject Electrodes, De Forest, Lee, 1873-1961, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Industrial safety, Electrodes, Glass, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Arnold O. Beckman to Claire Evans

  • 1935-Aug-30

  Beckman thanks Evans for his hospitality during a trip to Denver, Colorado to sell the new pH meter and hopes that Evans will become a distributor for the instrument. Beckman's stops in Denver included Coors Porcelain…

  • Addressee Evans, Clare
  • Author Beckman, Arnold O.
  • Subject Great Western Sugar Company, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Colorado--Denver, Coors Porcelain Company, Central Scientific Company, Beckman Instruments, inc., California Institute of Technology, Scientific apparatus and instruments--Marketing
• 
  Business correspondence

  Letter from I. H. Lyons to Arnold O. Beckman

  • 1935-Aug-23

  Lyons writes to Beckman during Beckman's travels around the United States to market his new "acidimeter." This letter in particular mentions the orders rolling in following the first advertisement for the pH meter and…

  • Addressee Beckman, Arnold O.
  • Author Lyons, I. H.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Patents, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Arnold O. Beckman to L. H. Duschak

  • 1935-Apr-30

  Response to an earlier letter from Dr. Duschak, asking if Dr. Beckman's new "acidimeter" would be appropriate for determining the pH of vegetable juices. Beckman describes some of the recent changes to the instrument,…

  • Addressee Duschak, L. H.
  • Author Beckman, Arnold O.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Scientific apparatus and instruments--Design and construction, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Arnold O. Beckman to J. J. Murdock

  • 1935-Aug-30

  This letter from Arnold Beckman was sent during his 1935 trip around the United States to promote and secure distributors for his new pH meter (or "acidimeter") in 1935. Beckman reports on the enthusiasm of both…

  • Addressee Murdock, J. J.
  • Author Beckman, Arnold O.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, American Chemical Society, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from J. J. Murdock to Arnold O. Beckman

  • 1935-Oct-18

  Murdock references receipt of correspondence and a blood sample from Noyes, expresses pleasure at Millikan's interest in his work, and discusses real estate matters, including the erection of apartment buildings.

  • Addressee Beckman, Arnold O.
  • Author Murdock, J. J.
  • Subject Millikan, Robert Andrews, 1868-1953, Noyes, Arthur A. (Arthur Amos), 1866-1936, Real estate development, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Arnold O. Beckman to J. J. Murdock

  • 1935-Oct-14

  The letter touches on Arthur Noyes's medical condition and discusses problems with an instrument demonstration caused by residue in electrodes. Beckman was a friend and colleague of Dr. Noyes and was seeking medical…

  • Addressee Murdock, J. J.
  • Author Beckman, Arnold O.
  • Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Noyes, Arthur A. (Arthur Amos), 1866-1936, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from Arnold O. Beckman to Dr. T. J. Glover

  • 1935-Nov-03

  Beckman discusses cancer treatment options for his friend and colleague, Dr. Amos A. Noyes, and offers to provide Glover with a pH meter.

  • Addressee Glover, T. J.
  • Author Beckman, Arnold O.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Noyes, Arthur A. (Arthur Amos), 1866-1936, Hydrogen-ion concentration, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from W. O. Anderson to Arnold O. Beckman

  • 1935-Sep-07

  Anderson writes from National Technical Labatories to Arnold Beckman, providing him with an update about "acidimeter" production and pre-sales interest while Beckman is away in New York City. He notes that the first…

  • Addressee Beckman, Arnold O.
  • Author Anderson, W. O.
  • Subject United Gas Improvement Company, Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Scientific apparatus and instruments--Marketing, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from I. H. Lyons to Arnold O. Beckman

  • 1935-Jun-03

  Letter to Arnold O. Beckman about the early stages of planning marketing and distribution for the pH meter. The National Postal Meter Company on the letterhead was one of Arnold Beckman's first employers, when they…

  • Addressee Beckman, Arnold O.
  • Author Lyons, I. H.
  • Subject Hydrogen-ion concentration--Measurement--Instruments, Scientific apparatus and instruments, Beckman Instruments, inc.
• 
  Business correspondence

  Letter from T. J. Glover to Arnold O. Beckman

  • 1935-Nov-11

  The letter regards Arthur Noyes's test results and serum supplied for his treatment.

  • Addressee Beckman, Arnold O.
  • Author Glover, T. J.
  • Subject Blood--Analysis, Noyes, Arthur A. (Arthur Amos), 1866-1936, Cancer--Treatment
• 
  Charts, diagrams, etc

  Electrode Case Beckman pH Meter diagram

  • Dwg. No. 293-000239

  • 1935-Oct-11

  Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an accurate way to measure the acidity of his product. The resulting instrument kicked off…

  • Creator Of Work Beckman Instruments, inc.
  • Subject Electrodes, Hydrogen-ion concentration--Measurement--Instruments, Electrodes, Glass, Hydrogen-ion concentration, Beckman Instruments, inc.