Corner meter. The object consists of the following twelve movable parts: two arms assembled from three layers of metal (the middle piece of the right arm can be turned off up to an angle of 90 degrees), as well as a third arm, which remains the bisectrice through the construction. from the corner, which make the other legs and is at odds, if they are in each other's extended; two connecting parts, one of which is clocked on an arm each end and the other end is attached to the slider, which is mounted on the middle arm; Five short plates ( visors), which are attached with a hinge at every e


Corner meter. The object consists of the following twelve movable parts: two arms assembled from three layers of metal (the middle piece of the right arm can be turned off up to an angle of 90 degrees), as well as a third arm, which remains the bisectrice through the construction. from the corner, which make the other legs and is at odds, if they are in each other's extended; two connecting parts, one of which is clocked on an arm each end and the other end is attached to the slider, which is mounted on the middle arm; Five short plates ( visors), which are attached with a hinge at every end of an arm, and which can be erected at odds (the sixth at the center arm is missing). On any image, at the top of the circumference of a semicircle with a perpendicular notching, a small round opening is placed in the middle to look through. On the left arm, the inscription is engraved by Declinatione Muri, on the right arm The letter D and the year 1582. On the smooth bottom of each arm, a radius is engraved to the center of the other end from the center of the circular connecting part, as well as The numbers 1 to 10. On the center arm, which is closed on the other two arms rest, limb divisions are engraved to the left and right, on the left run from 3 to 15 and to the right of 10 to 90 and then repeated. In the left arm, a round hole is drilled near the circular connecting part. The part of the center arm, which can be moved as an engraved slider when a bracolade can be moved, has sloped sides to the bottom, on which scale distributions are also engraved with rights 0 to 90 and left the terms VMBRα recta and versa.


Size: 2500px × 1775px
Photo credit: © BTEU/RKMLGE / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: voorkeursbeeld