Page [3], sidenote, missing space between words, ['the Authority ofan Author.'].
Page [3], printer's error, augmentarion for augmentation, ['and augmentarion of Masse'].
Page [4], missing letter t, ['tha{t} that proceeded not'].
Page [4], printer's error or inconsistent punctuation, ['my paynes and time. and although'].
Page [6], inconsistent punctuation, full stop after axiome where as there are none after those following, ['AXIOME. I.'].
Page [9], missing full stop added to end of paragraph, ['or else an upright Prisme.'].
Page [11], printer's error, missing letter C in illustration, ['the Prisme A C D B to be placed'].
Page [15], printer's error or archaic lettering, final y looking like a 7 in original text, ['and of the Specifick Gravit{y}'].
Page [16], letter N for T in text to refer to illustration, [if the Vessell E N S F'].
Page [16], printer's error, duplicate word in text, ['equalizeth the Force and and Moment,'].