OPERA MATHEMATICA OU OEUVRES MATHEMATIQUES Traictant de Geometrie, Perspective, Architecture, et Fortification by Samuel Marolois, published by J. Janssen, Amsterdam, 1625. Folio, hardbound in vellum covers with five raised hubs, two (2) engraved title pages and eighty-four (84) engraved plates with French text. Includes a black clamshell box with a color photocopy of the title page. Book – 10 1/4" H x 14 1/4" W x 2" D. Box – 2 1/4" H x 15" W x 11 7/8" D. Early 17th century. Provenance: Private West Tennessee Collection. CONDITION: Wear, areas of loss to covers, bumped corners. Pages with toning, areas of dampstaining, etc. Ink inscriptions from previous owners throughout. Title pages repaired with old paper backing. Includes typed translations of select pages from previous owner, some pasted to pages. Old tape repairs, largest 10". Possibly missing three pages.