L[ANGLEY], B[ATTY]. City and Country Builder's and Workman's Treasury of Designs: Or the Art of Drawing and Working the Ornamental Parts of Architecture, London: 1750. 4to, 290 x 218mm. (11 7/16 x 8 1/2in.), contemporary calf, covers and spine gilt-ruled, rubbed and scuffed, upper joint severely cracked but sound, top of spine loosening, inner hinges reinforced, new rear endpapers, a repaired worm-track in fore-margin of first few quires, another wormtrack affecting lower blank margins of plates 123 to 200 (neatly patched), title-leaf, 22-pages text and 200 full-page engraved plates by Thomas Langley after Batty Langley.