Beckman pHASAR-1 Digital pH Meter
Beckman Instruction 015-082296
- 1973-Jan
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Small JPG800 x 1020px — 66.8 KBMedium JPG1200 x 1530px — 132 KBFull-sized JPG2689 x 3428px — 651 KBOriginal fileTIFF — 2689 x 3428px — 26.4 MBArnold 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 rapid development not only of Beckman Instruments, Inc. but also of the electronic scientific instrument industry.
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Cite as
Beckman Instruments, Inc. “Beckman PHASAR-1 Digital PH Meter,” January 1973. Beckman Historical Collection, Box 112, Folder 106. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/4x51hj81r.
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Rights
In the United StatesDownload all 4 images
PDFZIPof full-sized JPGsDownload selected image
Small JPG800 x 1039px — 158 KBMedium JPG1200 x 1559px — 320 KBFull-sized JPG2629 x 3416px — 1.1 MBOriginal fileTIFF — 2629 x 3416px — 25.8 MB
Rights
In the United StatesDownload all 4 images
PDFZIPof full-sized JPGsDownload selected image
Small JPG800 x 1033px — 179 KBMedium JPG1200 x 1549px — 366 KBFull-sized JPG2646 x 3416px — 1.2 MBOriginal fileTIFF — 2646 x 3416px — 25.9 MB
Rights
In the United States