Apparaterne og deres Brug*. 



I 11 «111 ol <l. 



Shihet. Dækket. Indhivningsmaskinen. Mellemdæk. Pendelregu- 

 lator. 



Lodning. Rørlod. Baillie Maskine. Lodline. Accumulator. Yand- 

 hentere. Forberedelser til Lodning. Dækrulle. Manøvre med 

 Fartøjet. Lodning med Rørlod. Bestemmelse af Dybden. Lod- 

 ning med Baillie-Maskine. Lodlinens Ophåling. Loddernes 

 [Jdløbshastigheder. Varighed af Lodskud. Teraperaturrækker. 

 Lodskud-Tabel. 



Bundshrabnivg. Skrabe. Otter-Trawl. Bom-Trawl. Forberedelser til 

 Skrabning. Manøvrer ved Skrabning og Trawling. Skrabens 

 og Trawlens Ombordbringelse og Tømning. Varigheden af en 

 Bundskrabning. 



Navigering. Deviationsbestemmelser. Yandlog. Astronomiske Ob- 

 servationer. Kronometrene. Nøjagtigheden af Bestemmelsen af 

 paaværende Plads. 



Som nævnt i min Afhandling om Nordhavs-Expedi- 



tionens Oprindelse og Rejser blev det, da Expeditionens 

 Iværksættelse var besluttet, overdraget mig at anskaffe de 

 til Udførelse af de forskjellige Slags Iagttagelser og andre 

 Arbejder nødvendige Apparater. Under min Rejse til 

 England i 1875 anskaffedes saaledes flere Apparater og 

 Instrumenter efter de fra tidligere Expeditioner anerkjendte 

 Modeller. I Lobet af Vinteren 1875—76 udfortes de ov- 

 rige Apparater og andre Sager ved norske Verksteder efter 

 de af mig opgivne Tegninger og Betingelser, ligesom jeg 

 organiserede og jevnlig udførte Apparaternes Anvendelse 

 ombord. 



The Apparatus, and How Used. 



Til Grund for den følgende Afhandling, hvis Indbold 

 er angivet ovenfor, er lagt de udforlige Rapporter om Ap- 



Den norske Nordhavsexpedition. C. Wille : Apparaterne og deres Brng. 



Coilt«"llt!Bi. 



The Ship. — The Deck. - The Donkey-engine. — The Orlop- 

 deck. — The Pendulum-governor. 



Deep : sea Sounding. — The Tube-lead. — Baillie's ?Iachine. — The Sound- 

 ing-line. — The Accumulators. — The Water-bottle. — Preparations 

 for Sounding. — The Deck-reeL -*- Handling the Ship. — Sound- 

 ino witli the Tube-lead. — Determining the Depth. — Sounding 

 with the Baillie Maehine. — Harding in the Line. — Velocity 

 of the Sounding-lead. — Duration of a Sounding. - - Serial 

 Temperatures. — Table of Soundings. 



Deep-sea Dredging. — The Dredge. — The Otter-trawl. — The Beam - 

 trawl. — ■ Preparations for Dredging. - Handling the Ship. - 

 Getting over and emptying of Dredge and Trawl. — Duration 

 of a Dredging. 



Navigating tht Ship. Determining Deviation. — The Water-log. — 

 Astronomical Observations. — The Chronometers. — Ship's Po- 

 sition. with what accuracy determined. 



The Government baving resolved to despatcb a Scientific 

 Expedition to the Northern Sens. I undertook. as already 

 stated in my account of the origin aud cruises of the Nor- 

 wegian North- Atlantic Expedition. at the instance of the 

 Directors of the Geographical Survey, to procure the various 

 instruments and appliances vvberewitb it would have to be 

 furnished. Several of tbese. tested and approved by the 

 experience of former Expeditions. I bad constructed in 

 England, from models. when visiting that country in ls75. 

 The remaining apparatus, together with all minor imple- 

 ments requisite for the equipment of the vessel, were made 

 at Norwegian worksboi>s. in the winter of 1875. myself 

 furnisbing the designs, and stipulating the conditions on 

 whicb the work was supplied. Moreover. on the captain 

 devolved the duty of placing and arranging the apparatus. 

 and. as a general rule. of superintending their use on board. 



Tbis descriptive exposition, the contents of whicb have 

 been given above. is in the main an abstract of the special 



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