Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)
Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 260
Take a model of the oblique plane hinged along ///, and on it drawthe line AM perpendicular to th. Cut out in paper a right-angledtriangle of the shape ama, with a margin along am for attachmentto the horizontal plane. The two rabatments about am and th re-spectively may then be effected. This…