perspectographn.
/pəˈspɛktəɡrɑːf/, /pəˈspɛktəɡraf/, U.S. /pərˈspɛktəˌɡræf/ An instrument for delineating the outlines of a scene or object, in order to facilitate drawing in perspective.
ΘΚΠ
society > communication > representation > a plastic or graphic representation > graphic representation > drawing plans or diagrams > [noun] > drawing instruments > other drawing instruments
perspectograph1818
isograph1838
diagraph1847
telemetrograph1885
1818 N. Amer. Rev. July 287 A Practical Treatise on Perspective, also the Perspectograph for taking Views.
1875 Carpentry & Joinery 137 As a practical means of teaching perspective the perspectograph will be found a very handy instrument.
1932 G. T. McCaw & F. A. Cazalet tr. O. von Gruber Photogrammetry 158 The invention of the Photoperspectograph by Scheimpflug in 1903..signifies an important advance in regard to the perspectograph.
1983 Listener 10 Feb. 26/2 The studio is where he did his amazing studies of anatomy and perspective (and invented his perspectograph).
2008 Nature 13 Nov. 174/2 One of Wren's mathematical inventions was a perspective machine, or perspectograph, an ingenious device that allows a draftsman, squinting through a sight, to trace the lineaments of any object or landscape.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
<
n.1818