• Born: 6 Mar 1812, Brunswick ME
• Died: 9 Jan 1895, Birmingham England

  General notes:

Silversmith and watchmaker

  Events in his life were:

• Apprenticed about 1825 to James Cary in Brunswick ME ³
  

• He worked circa 1835-1861 as a silversmith and watchmaker in Boston MA as A. L. DENNISON & Co.
  Seeing the need for standardization in the making of watch parts and cases, he founded the American Horologue Company in Roxbury MA. The company was renamed the Boston Watch Company and moved to Waltham. When the company failed in 1857, it was bought by New York financiers and renamed the American Watch Company. Dennison remain on as the company's superintendent until 1861.
  
  

• Alternate Mark
  

• Watch paper, c 1835
  Historic New England
  

• He was a partner in 1845-1849 with George E. Adams and John Carey Farnsworth in Boston MA as DENNISON, ADAMS & Co, listed in the 1845 city directory at 67 Washington Street.

• He was a partner in 1849-1857 with Edward Howard and David Davis in Waltham MA manufacturing interchangeable watch movement parts. The company eventually became the Waltham Watch Company.

• He appeared on the 1855 census taken at Waltham MA, listed as a watchmaker.

• He appeared on the 1860 census taken at Waltham MA, listed as a watch manufacturer.

• He worked circa 1865-1885 as a watchmaker in Birmingham England where he established a thriving business producing gold and silver watch cases for the trade.

• He appeared on the 1871 census taken at Handsworth, Staffordshire, England, listed as a watch maker.