Methods of surveying (right) and time keeping

Methods of surveying (right) and time keeping (left). On the left are various different kinds of sundials and a clock with a single arm. On the right a survey is being made of the height of the tower, using quadrants and, on the far right, a cross staff. From Sebastian Munster Rudimenta Mathematica, Basle, 1551. Woodcut

1551 Basle Keeping Kinds Mathematica Mathematical Measurement Methods Munster Quadrants Rudimenta Sundials Survey Surveying

Features In These Collections

> Contributors > WHA