A small battery-operated hydrophotometer
By: by Jerome Williams
Contributors: Chesapeake Bay Institute
Series: Technical report -- 24; Reference -- 61-3; Technical report (Chesapeake Bay Institute) -- 24; Reference (Chesapeake Bay Institute) -- 61-3
Publisher: Chesapeake Bay Institute, Johns Hopkins University
Published: 1961
Place of publication: Baltimore, Md.?]
Language: eng
Number of pages: 18
Subjects: Hydrological instruments; Photometry
Notes: "March 1961."