Chester Greenwood House

Per Wikipedia's "Isabel and Chester Greenwood House" article, the house at 112 Hill Street, built in 1896, was added to the National Register of Historic Places in 1978 (reference number 78000160); it is associated with Chester Greenwood, who "invented the earmuff" and "obtained a patent for it in 1877" at age 15, and who also "established" Farmington's "first telephone exchange" and operated a bicycle factory and machine shop in town.