Born-Digital or AnalogAnalogTranscriptArmstrong concentrating & amalgamating machine company Files articles of incorporation, R. M. News. Aug. Incorporates, Colorado. malgamating machine Colo. 11, 1885 p.3 c.5 11, 1885 p.3 c.5 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
