15 De norske. Kystkarter give for samme Punkt (p = 70° 40' 25" og l ~ 23° 39' 54" altsaa Bredden 14" for stor og Lsengden c. 30" eller 2’ for liden (310 Meter). The Norwegian coastal charts give for the point in question tp = 70° 40' 25" ano l = 23° 39' 54" the latitude, therefore, 14" too far north, and the longitude about 30", or 2’ (310 metres), not far enough east. 7. Varda. Observationerne gjordes den 2(Jde Juni 1878 omkring Middag paa et Punkt, der, ifolge Observationer med Theo- dolithen, ligger 175 Meter Nord og 51 Meter Vest for Midtpunktet af Fsestningen Vardohus. Luften, der i Be- gyndelsen var klar, blev efter Middag taaget, saa at den sidste Raekke Hpjder maatte tages med svage Bhcndglas foran begge Spejle, og tilsidst maatte Observationerne af- brydes, da det skyede ganske over. Jeg opnaaede saaledes ikke at faa lige mange Hojder af liver Solrand, og Index- fejlens Bestennnelse blev mangelfuld. I Middel af 4 Be- stennnelser fandtes Indexfejlen -)- 2' 13" + 3". Som Ohservationsuhr benyttede jeg mit Lommechrono- meter. Reid 18* 43 M 0.*0 Lommecbron. 19 37 52. 8 Corr. t. Reid —54 52. 8 Lommecbronometret taber i Forhold til Reid 0.’23 pr. Time. Efter de meteorologiske Observationer i Vardo var: Juli 26 8 a. m. Barom. 765.'"’"9 Temp. C. 6.°0 — „ 2 p.m. — 765.' 9 — „ 9.4 7. Vard0. The observations were taken on the 26th of June, 1878, about noon, from a point which, as determined with the theodolite, lies 175 metres north and 51 metres west of the centre of Vardphus fortress. The atmosphere, clear at first, soon got hazy, so that the last series of altitudes had to be taken with light-coloured glasses, and ere long the observations had to be broken off, the sky be- coming quite overcast. Hence, I did not succeed in getting an equal number of altitudes of each solar limb; and the index-error was not very well determined. As a mean of 4 observations, the index-error was found to be -)- 2' 13" ± 3". On this occasion, I observed with my pocket-chrono- meter. Reid 18* 43’" O.'O Pocket-chron. 19 37 52.8 Corr. to the Reid — 54 52. 8 The pocket-chronometer was losing hourly 0‘.23 more than the Reid. The meteorological observations at Vardp gave the following results: — July 26 8 a. m. Barom. 765.1"‘"'9 Temp. C. 7.°0 — „ 2 p. m. — 765. 9 — „ 9.4

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