slibet re eleuata altitudo per vmbram mediani examinatur. Canon VII \ Laufis & complicatis omnibus annuli circulis , & in vnam formam reda fiis : annulus filo e mannu fufpendatur, etpi r Z cdacipinn uLrum foramina, altitudinem cuhfuis rei ( qua in plano quouis eminet ) tc ulo* | rum radqs menfor… … aut
Surveying · Geometry · Astronomy
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