1 option
An ultrasonic condenser microphone.
LIBRA 378.748 POS1947.32
Available from offsite location
- Format:
- Book
- Manuscript
- Thesis/Dissertation
- Author/Creator:
- Bonn, Theodore Hertz.
- Language:
- English
- Subjects (All):
- Penn theses--Electrical Engineering.
- Electrical Engineering--Penn theses.
- Local Subjects:
- Penn theses--Electrical Engineering.
- Electrical Engineering--Penn theses.
- Physical Description:
- 19 numbered l. : plates, diagrams, (part folded). ; 28 cm
- Production:
- [Philadelphia], 1946?
- Notes:
- Development under contract OEMsr-922 between the Office of scientific research and development, National defense research committee and the Moore school.
- "Confidential".
- Thesis (M.S. in Electrical Engineering)--Graduate School of Arts and Sciences, University of Pennsylvania, 1946.
- Bibliography: l. 19.
- OCLC:
- 82759793
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