TY - CHAP DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: Public Domain Mark 1.0 TI - Plate 194: Device for setting the aim of artillery T2 - Le diverse et artificiose machine del capitano Agostino Ramelli ID - th83kz69r AU - Ramelli, Agostino CY - Paris, France DA - 1588/// YR - 1588 UR - https://digital.sciencehistory.org/works/th83kz69r AB - A set of two ruled frames is used along with plumb lines and a quadrant to record in daylight the aim of canons to be shot at night. The frames and plumb lines are then used again to aim the canon accurately in the dark toward as many targets as had been recorded by daylight. KW - Quadrants (Astronomical instruments) KW - Machinery LA - ER -