Sheraton, Thomas; Bensley, Thomas; Mathews, James; Bensley, Thomas [Bearb.]; Mathews, James [Bearb.]; Terry, George [Bearb.]; Jordan, Jeremiah Samuel [Bearb.]; Wayland, L. [Bearb.]: The Cabinet-Maker And Upholsterer's Drawing-Book: In Three Parts (London: Printed For The Author, By T. Bensley; And Sold By J. Mathews ... C. Terry ... J.S. Jordan ... L. Wayland ... And By The Author, 1793)

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defcribe a quadrant of a circle, whofe radius would be the fide
of the fquare reprefented, as the figure fhows.
N. B. No. i is the fame problem, divefled of all lines but
fuch as are abfolutely neceffary to its reprefentation; which, it
is prefumed, will be readily underftood by infpedion, after what
has been faid on Fig. n. See page 224.

Prob. X. Fig. 12. Plate XVIII.
To reprefent a Floor of Squares parallel to the Pitfure*
G R is the ground line, and H L the horizon.
Let j- be the center, and d the diftance of the picture.
Let it now be required to reprefent thirty-fix fquares.
Operation. —Lay AD, the fide of the original fquare, fix
times on the ground line GR, contained between AZ', as the
figure fhows. Draw from each divifion on the ground line
vifuals to j; and from b, draw a line to d, the diftance;
which line will cut each vifual in /, Z, /, />, <7, r. Through the
feveral