Lollipop Fish - Transducer: Echo-sounding fish (12 kHz), Warren Witzell design, prints from negatives 6022-25; negative of transducer; Hersey, undated

File — Box: V2Dd2, Folder: 46

Scope and Content Note

From the Series:

The Subject Files series consists of prints, negatives, slides, and strip negatives. Major subject groupings include Aircraft, Buildings and Property, Events, Individuals and Groups, Scientific Projects and Instruments, Ships and Submersibles (many Alvin dive images are contained under the Submersibles groupings).