A sure guide to builders, or, The principles and practice of architecture, geometrically demonstrated, and made easy, for the use of workmen in general : wherein such geometrical definitions, theorems, problems, &c. as are basis of architecture, are render'd easy and intelligible to every capacity ... (1729)
Langley, Batty, 1696-1751, Mears, W. (William), active 1713-1758, Wilcox, J, Wright, Tho · London : Printed for W. Mears ... J. Wilcox ... Tho. Wright ... and by the author ... · leaf 251
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Architecture
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.