The Caltech Archives
Welcome imageimageimage
Archives Catalog Entry

Scientific Apparatus
PH meter, model G

Manufactured by National Technical Laboratories, 3330 E. Colorado St., Pasadena, CA. Model G, serial number #1894, CIT Chem. number #1007. Wood box, instruction sheet in lid. Case scratched and a little dinged up, but good condition. Since 11/91 - on permanent loan to David Morrisroe, Beckman Foundation Office. Manufacturer: National Technical Laboratories, 1940s.


ID: 1989-00043
Beckman, Arnold Orville (Chemist, Inventor, Philanthropist)

LENGTH: 11 x 8 x 10 inches; QUANTITY: 1

Topics: Chemistry

For information on using Archives materials for commercial or educational purposes (including reproducing PhotoNet images) please see Access and Use.

Return to Search the Archives

Search Help

Caltech