Before the 1890 fire, J.B. Lockwood's tin shop was located in the second building east of Market St., at the "Henney Corner".

NE Corner of Market and Main, North Manchester, ca 1878

Source: Aurora (1921) Ad:

HOT AIR FURNACES
Satisfaction Guaranteed
J.B. LOCKWOOD
Manufacturer and Dealer in GENERAL TIN WORK
Tin Roofing, Spouting, Galvanized Iron Cornice and Skylights.
Outside Work a Specialty.
Work done in all Parts of the Country.