At that time, Thomas Bruff gave demonstrations of his patented spoon manufacturing device, and his advertisements included testimonials from Adam and other silversmiths.
His apprentices and journeymen are unrecorded, but 1810 and 1812 property tax lists count three males over sixteen and two under sixteen in his household, which may include two journeyman and one apprentice in addition to Adam and his son.
In addition, Adam was an amateur oil painter, and said to be a friend of Thomas Sully.
His business appeared to be prosperous and well-managed, as after his death, he left an estate worth $20,000 to $25,000.
Adam died August 4, 1848, and was buried in the First Presbyterian Church Cemetery in Alexandria.