. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Crysial pick-up cartridge \ Tension wire soldered to needle Cam to lift bar clear during setting up /. Barium titanate bar in compression Universally mounted preparation holder (Note ligtitening holes ) (a) Figure Piezo-electric transducers: (a) gramophone pick-up; (Jb) barium titanate bar. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly rese
. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Crysial pick-up cartridge \ Tension wire soldered to needle Cam to lift bar clear during setting up /. Barium titanate bar in compression Universally mounted preparation holder (Note ligtitening holes ) (a) Figure Piezo-electric transducers: (a) gramophone pick-up; (Jb) barium titanate bar. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Donaldson, Peter Eden Kirwan. New York, Academic Press
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Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
