In July of 1916 there was established at Meanook, Alberta, a magnetic observatory for the purpose of securing a continuous photographic record of the magnetic declination. The record for the first calendar year was completed ...

A brief discussion of the magnetic records obtained during the MacMillan Baffin Island Expedition of 1921–22 is given with comparison of results from several other well‐distributed observatories. For comparison a short, ...

The basis of this comparison was the declination values scaled from the charts for some 2,900 stations, distributed over the entire Earth. These stations are ports for which the tidal constants are given by the tidal ...

For explanations, the interested reader may be referred to “Researches Dept. Terr. Mag.” Vol. 5, p. 381 (Pub. No. 175, Vol. V, Carnegie Institution of Washington, 1926).

Besides the data given in the Reports of the Missão Hidrográfica da Costa de Portugal the following additional values, all referred to the year 1915, were determined:Latitude 39° 52′ N, longitude 9° 18′ W: Declination 16° ...