Optics [graphic]Chapman, J. (John), active 1792-1823, printmaker[1820]engTitle from item.Below title: Engraved for the Encyclopaedia Londinensis, Jany. 1820.Plate from: Wilkes, John, Encyclopaedia Londinensis, London: J. Adlard, 1820.This electronic record is derived from historic data and may not reflect our current information. Review and updating of records is ongoing.