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Miscellaneous Instruments
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Voyage
History of Oceanography
The Early Instruments Collections
Miscellaneous Instruments
Early Instruments
Figure 17. Model of the HIRONDELLE's winch. From the beginnings of PrinceAlbert I of Monaco's oceanographic explorations, he became occupied withequipping his vessels with basic indispensable deck equipment and tools including winches, reels of cab
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(1.12 MB)
Figure 18. Model of the HIRONDELLE's small reel - another device probably made by Jules Le Blanc.
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(1.19 MB)
Figure 19. Model of the HIRONDELLE's large reel - another device probably made by Jules Le Blanc.
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(1.04 MB)
Figure 20. A Nansen counting pulley - used to determine the length of cablereeled out on an oceanographic station.
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(1.02 MB)
Figure 21. Model of Hodge's shock absorber or accumulator. This device wasinvented in 1852 by Richard Edward Hodges. It was used to aid in launching andretrieving heavy objects suspended from cables or ropes, particularly when avessel is subject t
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(1.15 MB)
Figure 22. The BLAKE shock absorber. This device also used the principle ofthe elasticity of rubber to absorb the shocks incurred on a cable or line whenlaunching or retrieving heavy objects at sea. This device was first used in thewinter of 1878-
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(1.05 MB)
Figure 23. The HIRONDELLE enclosed spring dynanometer. This type of shockabsorber employed a metallic spring instead of rubber, which was fragile andalterable. It was designed and built by Jules LeBlanc following the suggestionof Prince Albert I o
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(1.2 MB)
Figure 24. A spring shock absorber. No information is available concerning theinventor or the use of this device.
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(1.05 MB)
Figure 25. A roller guide, devised by Jules Le Blanc following a suggestion ofPrince Albert I of Monaco. Used to minimize chance of tangling cables duringoceanographic operations.
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(1.21 MB)
Figure 26. Ball bearing swivels devised by Jules Le Blanc to prevent untimelytwisting of cables, getting them caught on hull projections, or even breaking of lines.
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(1.29 MB)
Figure 27. The Aime Olive, a large weight attached to the cable immediatelybefore a bottom dredging device. This weight would keep thedredge in contact with the bottom. Although used by fishermen prior to itsoceanographic use, Aime's adaptation of
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(972.16 KB)
Figure 28. Lead weights used to depress the front of a net or trawl beingdragged across the bottom.
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(1.14 MB)
Figure 29. Dredging harrows used to stir up the bottom in order to capture thesmall crustaceans and other creatures that lived there. This instrument wasfabricated at the Oceanographic Museum in 1939.
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Figure 30. Nansen releasing devices used for closing plankton nets. This device was invented by Fridthof Nansen about 1900 and apparently used aboard theMICHAEL SARS. A messenger activated this mechanism which in turn strangledthe net by closing of
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(1.59 MB)
Figure 31. Aime messenger ca. 1843. The Frenchman Georges Aime was among the first to systematically employ the principle of a messenger in order to communicatewith submerged instruments. The messenger was sent down the line and activatedsome form o
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(1.09 MB)
Figure 32. Enjalbal messenger, fabricated by Louis Enjalbal, a mechanic on thePRINCESS ALICE, in 1906.
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(1.08 MB)
Figure 33. Riva messenger, fabricated by Paul Riva, the mechanic on the EIDER, a small research vessel operated by the Oceanographic Museum at Monaco in theearly 1900's.
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(1.07 MB)
Figure 34. Gilson messenger, devised by Professor Gustave Gilson of theUniversity of Louvain and delegate from Belgium at the Permanent InternationalCouncil for the Exploration of the Sea, to intiate the operation of his plankton meter.
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(1.02 MB)
Figure 35. Zwickert messenger, possibly devised by the German instrumentmaker Adolf Zwickert who was known for creating numerous scientificinstruments.
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(1.51 MB)
Figure 36. Cros messenger. These messengers were fabricated by the mechanicJean Cros of the Oceanographic Museum at Monaco at the request of Dr. JeanBrouardel. The messengers were very narrow and streamlined and capable ofbeing used with modern equ
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(976.88 KB)
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