If you've always thought that certain pieces of Northwood and Dugan glass bear a familial resemblance to each other, your instincts are good because cousins Harry Northwood and Samuel Dugan, along with Samuel's three sons, went into the glass-manufacturing business together in 1896. For a while they operated as Northwood before changing the name of the firm to Dugan. In 1913, the business changed its name again to Diamond Glass Company (a...Continue Reading