It is proved by drawing an oblique line from the center, towards the right corner upper angle, yett not touching the line thereof, and then you will finde it to bee the line placed under a B, in the Alphabett of each page. In like manner lett there be a Question, and a Proofe made of all the other Letters in order and you will finde-- “C. The C. to bee placed in a streight line from the center upwards, but not arriving to the upper side line of the square. “D. The D. in an oblique line towards the left upper corner line but not touching it. “E. The E. in a streight line between the center of the left side line, butt not touching it. “F. The F. in an oblique line downwards, towards the left angle line, butt not touching it. “G. The G. in a streight line downwards from the center, likewise towards the lower line of the square not touching it. “H. The H. in an oblique line downwards towards the right angle line, butt not touching it. “I. The I. in a streight line from the center to the midle of the right side line. “K. The K. in an oblique line from the center to the right upper angle touching it. “L. The L. in a streight line from the center upwards, and touching the upper line. “M. The M. in an oblique line from the center towards the left upper corner line touching it. “N. The N. in a streight line from the center to the midle of the left side line. “O. The O. in an oblique line from the center downwards, towards the left corner touching the line thereof. “P. The P. in a right line from the center downwards touching the lower side line. “Q. The Q. in an oblique line downwards towards the right corner touching the line thereof. “R. The R. in a streight line from the center to the outside, and furthest line of the right midle and opposite chequer touching it. “S. The S. in an oblique line from the center, and passing the right upper corner line. “T. The T. in a streight line from the center and passing the upper-side line of the square. “V. The V. in an oblique line from the center upwards passing the left upper corner line. “W. The W. in a streight line from the centre to the left outside and furthest line of the left midle and opposite chequer. “X. The X. in an oblique line downwards passing the left lower corner line. “Y. The Y. in a streight line downwards passing the lower side or bottome line. “Z. The Z. in an oblique line downwards passing the right corner line of the square. “The Chequers are five in number, which of either outside show the vowells, and each Chequer haveing two corners inwards of each side make tenn, those towards the preceding square may conteyne of the 24 letters, and the opposite corners as many Alphabetically, and the centers of the two upper Chequers square, and of the two lower shew the other 4 letters; The 20 in the Chequers are noted by a separation of a corner in the printed Alphabett, and the 4 by the midde points.