Charles Wilder, Peterborough, NH Barometer, the cylinder form with acorn finial, silvered dial for temperature and barometer readings having an adjustable slide marker, contains mercury and appears to be in working order, marked on dial, "C Wilder, Peterboro, NH," "Pat June 5, 1860," 39 1/4" tall, old varnish finish, glass replaced with clear plastic, slight losses to hood. Provenance: A Peterborough, NH collection. Estimate $600-900