R. W. Seale (fl. 18th century) R. W. Seale was active as a map publisher and engraver in mid 18th century London. He worked with many of the more prominent English cartographers of his day including Sayer and Boulton. Click here for a list of rare maps from R. W. Seale. Rare maps by R. W. Seale currently for sale. Rare maps by R. W. Seale in the Geographicus Antique Map Archive.