Sentence:  After the diagonals are drawn in the plane of the projection, the ribbands may be laid down in the horizontal plane, and from thence all the other frames may be laid down in the plane of projection, in the very same manner that the horizontal ribbands and the frames for the <WSD>afterbody</WSD> were laid down. 
Meaning of the word marked with <WSD> tags:  The part of a vessel abaft midships.