A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained (1849)
rpendicular from 2,as required by the 11th step in the problem. PLATE XXIII. Problem 58. Fig 1. To draw the Boards for covering Circular Domes, To lay the boards vertically. Let A. D. C be half the planof the dome; let D. C represent one of the ribs^ and E. F thewidth of one of the boards. 1st.… … A ^ K. WMiiu/h riarr ?3 TO l)R.4M THE BOARDS FOR COVERIXGHEMISPHERICAL DOMES.