Telescope from Selenographia, 1647 . Selenographia is a work by the German/Polish astronomer Johannes Hevelius . A print from Things, a volume about...歸檔
Surveying, early 17th century. Method of using a quadrant fitted with a plumb line and marked with shadow scales to measure the height of a tower....
Surveying, 1551. Quadrant with plumb bob and shadow scale being used to obtain the altitude of a tower. From Rudimenta Mathematica by Sebastian...
Using a quadrant with a plumb bob to calculate the height of a tower by triangulation, 1551. From Rudimenta Mathematica by Sebastian Munster. .
Johannes Hevelius, German astronomer, 1647. Known now by the latinized form of his name - Jan Hewel or Hewelcke - Hevelius spent as much time as he...天文學家
construction worker laying white stone blocks on new building wall at sunny urban construction site - 鉛垂線 個照片及圖片檔
construction worker laying white stone blocks on new building wall at sunny urban construction site - 鉛垂線 個照片及圖片檔
set of plumbing service logo design template. vector illustration stock illustration - 鉛垂線 幅插畫檔、美工圖案、卡通及圖標
set of plumbing logo design template. vector illustration stock illustration - 鉛垂線 幅插畫檔、美工圖案、卡通及圖標商標, 水管
plumbing logo design template. vector illustration stock illustration - 鉛垂線 幅插畫檔、美工圖案、卡通及圖標水龍頭, 水管, 商標
Big plummet. Plumb bob level with chain used for digging mine shaft in coal mining, close-up on white background.
Geometry, Geometria , The Seven Free Arts , The female personification of Geometry, in her hand a drawing triangle with a plumb line. Around her...