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Description: | The backstaff is made from a lignum vitae frame with boxwood arcs and a boxwood inlaid plate in the main strut, brass rivets, and no vanes. Decorative fleurs-de-lis and stars are stamped on both arcs.
The transversal scale on the thirty degree arc is from 0� to 25� by 5 arcminutes and reads to 1 arcminute. The graduation on the sixty degree arc is from 0� to 65� by 1�.
Vanes missing when bought.
caption: Backstaff - Front with vanes
caption: Backstaff - Back with vanes
caption: Backstaff - Inscription
caption: Backstaff - Large Scale
caption: Backstaff - Small Scale
caption: unavailable | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | backstaffs Instruments of Navigation White Thomas Backstaff | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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