London: Christie's South Kensington Ltd. 1988. First Edition. 17,  pages 8" x 10-1/8" cloth boards with gilt titling. Light wear to covers including some loss to the gilt titles. Prices realized laid in. Very Good. Cloth. 
Christie's auction catalog of time measuring instruments from the Time Museum Apr 14, 1988. The first (that we are aware of) of the Time Museum auctions. A far more extensive set of four major auction was consummated at Sotheby's years later.