Churchman, John

1753 – 1805

• An explanation of the magnetic atlas, or variation chart, hereunto annexed
• The magnetic atlas, or Variation charts of the whole terraqueous globe
• J. Churchman's address to the members of the different learned societies in Europe and America
• Proposals for publishing by subscription the Magnetic atlas or variation charts of all the world
• The magnetic atlas, or, Variation charts of the whole terraqueous globe
• To George Washington, President of the United States of America, this magnetic atlas or variation chart, is humbly inscribed