His workshop was at 58 Demidov pereulok / Jekatarinski Canal.
His Cyrillic signature, BA, can be found on enameled gold and silver articles from this time period.
Thermometers and desk photo frames were a specialty.
After the turn of the century his workshop employed twenty journeymen and three apprentices.
In 1904 Aarne sold his workshop to Hjalmar Armfelt and settled in Vyborg (Viipuri), Finland, where he ran a successful goldsmithing workshop for another thirty years.