Two photographs are taped together. A Solu bridge or meter determines the dissolved solids in water by measuring its conductivity. The ACTA V was a UV-visible spectrophotometer, first released in 1970.
|View in library catalog|
“Woman with Beckman ACTA V Ultraviolet Spectrophotometer and Beckman Model RA5 Solu Meter,” 1970–1979. Beckman Historical Collection, Box 80. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/ns064615m.
This citation is automatically generated and may contain errors.