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Under Rejsen i 1878 verificeredes jevnlig Piezometrets
Stand ved Sammenligning med Normalthermometret, og
fandtes det altid uforandret.
Trykcorrectionen bestemtes i 1878 ved Sammenligning
med de Negretti-Zambra’ske Yendethermometiv.
On the cruise in 1378 the reading of the piezometer
was regularly verified, by comparison with the
Standard-Thermometer, and the instrument invariably found
unchanged.
The pressure-correction was determined in 1878 by
comparison with the Neg rett i & Zainbra
inverting-ther-mometers.
Station. Dybde. I iß’l’th.) Pie/0111. Therm. Obs. (i, Dill’.
Nil. Favne. 1 Pilt/l Wi>2.) Buch. X S Z. Corr. ©orr. O-B.
263 121 I".72 I°.92 -f- 0".20 4- 0". 18 4 0°.02
267 148 — 1 .60 - i .46 0 .14 0 .21 — 7
268 MO — i .26 — 0 .95 0 .31 0 .19 4- [2
294 637 — 2 .24 - > -25 0 .99 0 .99 O
298 15OO - 3 -78 1.46 2 -32 2 -34 2
303 I200 — 3 -40 — I .61 I -79 I .89 10
306 ■334 - 3 -46 — I -31 2 .15 2 .08 + 7
3IO IOO6 — 2 .97 - i .36 1 .61 i -57 + 4
314 509 1 -35 — 0 .53 0 ,8r 0 .80 4 2
332 I I49 — 3 -24 - i .41 i .83 i .80 + 3
35O 1686 - 4 05 - i .56 2 -49 2 .62 ■3
359 416 0 .10 0 .79 0 .69 0 .65 4 4
9836 i5".34 MF = + o".o55
ß = -f- 0.001560.
Trykcorrection for 1000 Favne — i°.56o
„ 2000 ,. =r -f- 3 .120.
Trykcorrectionen er saaledes for 1000 Favne o°. 155
større i 1878 end i 1877. For 1878 bliver for
Kviksølv-piezometret.
224.5
t =
2.938
+ 1-560
1000
Pressure-Correction for 1000 fathoms — -f- i°.56o.
2000 „ 3 .120.
The pressure-correction for 1000 fathoms was
accordingly greater by o". 155 in 1878 than in 1877. For
1878 the Mercury-Piezometer has
224.5 — :
2.938
+ 1.560
Casella-Bucliaiiaii No. 40.
Den 8. og 9. Maj 1878 sammenlignedes
Millimeter-Skalaen paa Miniinumsiden med Normalthermometret paa
det meteorologiske Institut i Christiania. I den følgende
Tabel i-r t Temperaturen efter Normalthermometret. 111
Casella-Buchanan’s Stand, begge som Media af Here
Afladninger. Efter Formelen
111 r= m0 -f o t -f- ß
t-beregnedes ved de mindste Kvadraters Methode
Værdierne af Coeffieienterne m0, a og ß. De efter Formelen
med disse Værdier beregnede Værdier af 111 ere anførte i
Tabellen under 111. ber. og deres Forskjel fra de
observerede under Rubrikken /S.
Duu norsk« Nnrdhavsexpedition. 11. Mohn: Nordhavets Dybder, ’
Case! I a-It udi a 11 a 11 No. 4(>.
On the 8th and 9th of May 1878, the
millimetre-scale, on the minimum-side, was compared with the
Standard-Thermometer, at tin- Meteorological Institute in
Christiania. In the following Table t is the temperature,
according to the Standard-Thermometer, 111 the reading
of the Casella-Buchanan, both being the means from
several readings. By the formula
111 = m0 + at + ß t2,
I computed by the method of the least squares the
values of the coefficients m0, a. and ß. The values of 111
computed by the formula with these values are entered in
the Table under 111. comp., and their difference from the
observed in the Column /V
rntur og Stroinninger. f)
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