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Curves of equal magnetic variation 1937, sheet 1, Atlantic Ocean
- Author / Creator
- Available as
- Physical
Details
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- Creator
- reduced to the epoch June 1937 from observations by officers of His Majesty's Navy and from surveys carried out by colonial and foreign governments and by the Carnegie Institution of Washington, compiled at the Royal Observatory, Greenwich; published at the Admiralty 31st Mar. 1937
- Format
- Maps, Atlases
- Language
- English
- Publication
-
- London : Hydrographic Office, Admiralty, 1937
- Series
- Physical Details
-
- 1 map : color ; 99 x 67 cm, on sheet 103 x 70 cm
- OCLC
- ocn992934232
- Cartographic Data
-
Scale approximately 1:22,000,000(W 77°00ʹ00ʺ--E 46°59ʹ00ʺ/N 71°30ʹ00ʺ--S 65°00ʹ00ʺ).
- Includes magnetic variation lines.
- "Engraved 1912."
- "Crown copyright reserved."
- "256.37" -- upper right margin.
- "3775."