The following is a list of changes made to the original text to correct
suspected printing errors:
Under the heading:
FIGURA QUARTA ~6~, ~7~, => ~6~, ~7~, ~O~
FIGURA OCTAVA. ex lilinea => ex linea
The Ninth Figure. yon must => you must
Figura Trigesimaprima. qudratâ => quadratâ
Figura Trigesimaquinta. denineationem => delineationem
The Seventy-second FIGURE. hundred an twenty => hundred and twenty
FIGURA OCTOGESIMA. qnam => quam
FIGURA Nonagesima. centrum => Centrum
Figura Nonagesimaprima. spospondit => spopondit
FIGURA SECUNDA. longitudidinem => longitudinem
FIGURA QUINTA. superoiri => superiori
INDEX. Doric => Dorick (twice, lines XL and XLV)
SUBSCRIBERS. Gr. D. of Tosoany => Gr. D. of Toscany
Respondetur objectioni... punctum aliqualem => punctum aliquam