Assertion: mechanical clock | /r/AtLocation | america
Facets:
value: between 1950
type: TEMPORAL
value: between the mid-19th century
type: TEMPORAL
Source sentences:
text: The E Ingraham Clock Company, the Ansonia Clock Company, the New Haven Clock Company, the Seth Thomas Clock Company, Sessions and its predecessor E.N. Welch Company, the William L. Gilbert Clock Company, and the Waterbury Clock Company collectively produced most of the mechanical clocks made in America between the mid-19th century and 1950.