Found 3 results. Showing results 1 to 3.
- On Magnetic Dip. Ross, A. M., from Volume 11, 1878
- Art. I.—On the Variation of the Declination of the Magnetic Needle in the Southern Portion of the Middle Island, and Remarks on the Desirability of Establishing Magnetic Observatories in New Zealand. Ross, A. M., from Volume 6, 1873
- Art. II.—On Observed Irregularities in the Action of the Compass in Iron Steam Vessels. Ross, A. M., from Volume 6, 1873