![A naval chronometer and hand-held telescope The chronometer (model 5461) of the firm "Dobbie Son & Hutton, 113 Fenchurch St, London" (purveyor to the British admiralty). Mahogany casing with brass fittings and A naval chronometer and hand-held telescope The chronometer (model 5461) of the firm "Dobbie Son & Hutton, 113 Fenchurch St, London" (purveyor to the British admiralty). Mahogany casing with brass fittings and](https://c8.alamy.com/zooms/6/bcc3cf5a9a5d480986fb02b6c0f87fb7/t82d7t.jpg)
A naval chronometer and hand-held telescope The chronometer (model 5461) of the firm "Dobbie Son & Hutton, 113 Fenchurch St, London" (purveyor to the British admiralty). Mahogany casing with brass fittings and
![Sold Price: T.S. & J.D. Negus, New York, two day marine chronometer, 11 jewel fusee movement with decorative scraping, Earnshaw's escapement, freesprung, cut bimetallic balance, diamond endstone, and blued steel helical balance Sold Price: T.S. & J.D. Negus, New York, two day marine chronometer, 11 jewel fusee movement with decorative scraping, Earnshaw's escapement, freesprung, cut bimetallic balance, diamond endstone, and blued steel helical balance](https://image.invaluable.com/housePhotos/schmitt/48/625048/H1101-L143255419.jpg)
Sold Price: T.S. & J.D. Negus, New York, two day marine chronometer, 11 jewel fusee movement with decorative scraping, Earnshaw's escapement, freesprung, cut bimetallic balance, diamond endstone, and blued steel helical balance
![The Earth beneath the sea : History. Ocean bottom; Marine geophysics. FATHOMETER OR HYDROPHONE AMPLIFIER I MICROPHONE RADIO • TRANSMTR CHRONOMETER "' PEN rl RECORDER SHOOTING SHIP HAfflCp-JHF AMPLIFIER HIGH PASS The Earth beneath the sea : History. Ocean bottom; Marine geophysics. FATHOMETER OR HYDROPHONE AMPLIFIER I MICROPHONE RADIO • TRANSMTR CHRONOMETER "' PEN rl RECORDER SHOOTING SHIP HAfflCp-JHF AMPLIFIER HIGH PASS](https://c8.alamy.com/comp/RE9731/the-earth-beneath-the-sea-history-ocean-bottom-marine-geophysics-fathometer-or-hydrophone-amplifier-i-microphone-radio-transmtr-chronometer-quot-pen-rl-recorder-shooting-ship-hafflcp-jhf-amplifier-high-pass-filter-rectifier-from-hydro-3-1-rcvr-amplifier-rectifier-h-chronometer-power-amplifier-power-amplifier-receiving-ship-pen-recorder-o-co-cd-3-c3-zc-o-fig-5-block-diagram-sio-shooting-and-recording-system-ax-58-hydrophone-90-v-output-6-vat-150-ma-shield-common-calibrate-100-a-x58-hydrophone-please-note-that-these-images-are-extracted-from-scanned-page-images-that-m-RE9731.jpg)