• Born: 15 Oct 1772, Providence RI
• Marriage (1): Elizabeth Bowen on 2 Apr 1810 in Providence RI
• Died: 22 Nov 1869, Providence RI

  General notes:

Silversmith, engraver, and instrument maker

  Events in his life were:

• Alternate Mark
  It is not known if this mark was used by William or John or both.

• Providence RI: well-known as a manufacturer of sextants, quadrants and other nautical and mathematical instruments and as an engraver. General Washington was a favorite subject, including one based on the Houdon bust, completed in his ninety-first year. ³

• Apprenticed circa 1785 to Samuel Canfield in Middletown CT
  

• Advertised in the Silversmith and instrument maker (Providence RI), 1792-1809, with a shop on North Main Street, next north of St. John's Church (pre-1806), at 11 Cheapside, next door north of Messrs. Blodget and Powers (1806), and opposite the Baptist Meeting House (1809).

• Surveyor's compass, Abt 1805
  Private Collection
  

• Advertised in the Providence Gazette (Providence RI), 18 Oct 1806, indicating removal of his stand and "continues business as an engraver and offers Gold and Silver goods." ³

• Advertised in the Providence Gazette (Providence RI), 17 Jan 1807, a general assortment of gold and silver. ⁴

• He was a partner in 1809-1819 with John Hosmer Hamlin in Providence RI as W. & J. H. HAMLIN, first with a shop opposite the Baptist Meeting House and later at the Sign of the Quadrant, 131 South Water Street, in the store of Benjamin Clifford. ⁴

• Tradecard, c 1809-1819
  American Antiquarian Society ²⁰
  

• Advertised in the Providence Gazette (Providence RI), 20 May 1809, reporting move to shop lately occupied by William Greene opposite the Baptist Meetinghouse. ⁴

• Advertised in the Providence Gazette (Providence RI), 15 Jul 1809, formation of firm W. & J. H. HAMLIN. ⁴

• He worked after 1820 as a silversmith and instrument maker in Providence RI with a shop at the Sign of the Quadrant, 135 South Main Street and later at 131 South Water.
  He built a reflecting telescope in 1826 and allowed public use, admission by tickets, examples of which survive. Telescope depicted on the ticket is signed 'Hamlin' and appears to be a Gregorian, alt / az mounted. This might be the first reflector fabricated in the U.S.

• He appeared on the 1850 census taken at Providence RI, listed as a mathmatical instrument maker.

William married Elizabeth Bowen on 2 Apr 1810 in Providence RI. (Elizabeth Bowen was born on 20 May 1787 in Providence RI and died on 28 Dec 1852 in Providence RI.)