Chancellor, J. c., O'Hegarty, P. S., & Chancellor, J. c. i. (1833). A treatise, in nine sections, on the properties and advantages of a new invented escapement: With reference to all its parts by engraved diagrams. .. printed for John Cumming, 16, Lower-Ormond-Quay.

Chancellor, John clockmaker, et al. A Treatise, in Nine Sections, on the Properties and Advantages of a New Invented Escapement: With Reference to All Its Parts by Engraved Diagrams. .. printed for John Cumming, 16, Lower-Ormond-Quay, 1833.