.jpg?w=1)
PIERRE SEVIN, 1672
Details
FOUR-VANE SURVEYING CIRCLE
PIERRE SEVIN, 1672
the brass body with two non-linear scales below signature Pierre Sevin APairs 1672, the circumeference with two scales 0-180°-0, the inner divided to ½°, an eight point compass rose to alidade
7½in. (19cm.) diam.
PIERRE SEVIN, 1672
the brass body with two non-linear scales below signature Pierre Sevin APairs 1672, the circumeference with two scales 0-180°-0, the inner divided to ½°, an eight point compass rose to alidade
7½in. (19cm.) diam.