- circa 1950
This is Helipot Corporation's Meridian Avenue location.
The Helipot Corporation was founded during World War II by Arnold O. Beckman of Beckman Instruments (at that time still National Technical Laboratories) to keep…
- 1934 – 1935
A Pasadena garage was the first home of the National Postal Meter Company, founded by Arnold Beckman in 1934. The company soon became National Technical Laboratories, with a focus on pH meters. In 1935, the company…
This series of photographs depicts the aftermath of a fire that swept through the National Technical Laboratories building in South Pasadena. Most are unattributed, but Hank Hoag is identified as the photographer in one…