Edward Williams of Glan yr Afon yr Afon’s BOOK OF MATHEMATICAL CALCULATIONS

Young Anglesey man’s meticulously and decoratively laid out, hand written mathematical manuscript: full of calculations, rules and answers divided into sections titled Rule of Three in Decimals, Interest, Commission, Purchasing of Stocks, Compound Interest, Discount, Equation of Payments, Barter and Fellowship.

PHYSICAL DESCRIPTION: Half bound marbled boards with brown calf to spine and corners in fair condition, a little stained, slightly frayed to fore edge and bumped to corners. Measuring 24cm x 19cm. Spine in 6 compartments ruled in gilt, a little frayed to top and bottom. Marbled end papers front and rear unmarked. pp.1 and pp.2 starting to split from spine but otherwise sound internally. 57 unruled leaves throughout in very good condition, each recto and verso containing detailed, ruled calculations and accompanying notes underlined in red. Each new section decoratively adorned by hand. Title page contains hand written ownership details reading Edward Williams, Glan yr afon, Llanallgo, Anglesea.