Title: Wingate's rule of proportion, in arithmetick and geometry: or, Gunter's line newly rectified
Subtitle: by Mr. Brown and Mr. Atkinson, teachers of the mathematicks. Fitted for all artists for measuring and building. Whereinto is now also inserted the construction of the same rule, and a farther use thereof, in questions that concern astronomy, dialling, geography, navigation, gaging of vessel, military orders, interest and annuities.
Subjects: Early works to 1800, Slide-rule, Ratio and proportion