A Letter From Mr. Henry Baker, F. R. S. To the President, Containing an Extract of a Letter From Mr. William Arderon, F. R. S. To Mr. Baker, Giving an Accont of the Present Condition of the Roman Camp at Castor in Norfolk, With a Plan of It; And Also a Representation of an Halo or Mock-Sun Observed by the Same Gentleman July 11, 1749

Philosophical Transactions of the Royal Society of London

doi 10.1098/rstl.1749.0037