Search Results
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Postage stamp commemorating German emergency aid
- 1934
Stamp issued by the "Deutsche Reich" government under Nazi rule depicting images associated with the profession of chemistry.
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Postcard - Prémunition des Nouveau-Nés Contre La Tuberculose Enregistrée en France de 1924 à 1935
- Immunization of Newborn Babies Against Tuberculosis Registered in France, 1924-1935
- Circa 1935
Postcard depicts bar graph documenting the increase in the number of tuberculosis vaccinations administered to newborn babies.
- Publisher Institut Pasteur (Paris, France)
- Subject Tuberculosis, Vaccination, Institut Pasteur (Paris, France)
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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…
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Original site of National Technical Laboratories
- 1930s
This garage was the first location of the National Inking Appliance Company, founded by the National Postal Meter Company in 1934 to manufacture the new, nonclogging inking device invented by Arnold O. Beckman. This…
- Subject Buildings, Garages, Beckman Instruments, Inc.
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Semipostal stamp from Luxembourg to support the International Relief Fund for Intellectuals
- 1935
Depicts a scientist in a laboratory setting looking through a microscope.
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Physical Testing Laboratory View #3
- 1930s – circa
General view of the Physical Testing Laboratory located in the Educational Buildings at the Dow Chemical Company facility in Midland, Michigan.
- Creator Of Work Dow Chemical Company
- Subject Laboratories, Dow Chemical Company, Scientific apparatus and instruments
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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…
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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…
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Letter from the Braun Corporation to Adolph Coors
- 1935-Aug-14
From an unknown author at the Braun Corporation (and carbon copied to its president, J.A. Hartley). The author wants Aldoph Coors (the brewing magnate) to meet Arnold O. Beckman during Beckman's trip to promote his new…
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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…
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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
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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…
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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
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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…
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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.
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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.
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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…
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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.
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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…
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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…
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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…
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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,…
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Letter from L. H. Duschak to Arnold O. Beckman
- 1935-Apr-26
One of the earliest inquiries into using one of Arnold Beckman's newly invented pH meters.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed…
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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…
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Calibration of a McLeod Gauge
- 1930s
The McLeod Gauge measures very low pressures of gasses. Its presence in this collection indicates that it was used during the production of Beckman Instruments' early pH meters. These calibrations may have been written…
