 In 1823, the 14-year-old Sartain had sought become an experienced engraver under the indenture of John Swaine of the Merchant and Tailors Company.in 1828, Sartain continued his apprenticeship under Richter.By now he was an experienced engraver and Richter gave him his first attempt at "stipple on steel" or Mezzotint that was titled "Omphale".