Ra B ppt LONGITUDE.
XE 2794 -W14M
Wales, William, 17347-1798.
The method of finding the longitude at sea, by time-keepeérs: to which are added, tables of equations to equal altitudes. More extensive and accurate than any hitherto published. By William Wales ...
London: Printed by C.Buckton,Great Pulteney Street,Golden Square,for the author;and sold by him in Christ's Hospital;also by F.Wingrave in the Strand,J.Johnson in St.Paul's Church Yard,W. Richardson in Cornhill,and all other booksellers,
1794. & (See next card)
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