Pictures and Illustrations
Spectrophotometer. June 1943.
Photographer unknown. Originally appeared at Figure VI in "The Development of a Spectrophotometric
Carbon Monoxide Indicating Instrument Using Hemoglobin," by Linus Pauling, National
Defense Research Committee of the Office of Scientific Research and Development, OSRD
No. 1885, June 1943. Original caption reads: "The apparatus is shown with absorption
cell in position in the optical path. When not in use, the cell is stored in the
lower compartment of the case. In addition to the above apparatus, a six volt storage
battery is required to supply power for heaters and lamp."
Associated: Linus Pauling Pauling
Date: June 1943
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