1911 Encyclopædia Britannica, Volume 19… (1911)
“ There is a United States fish hatchery here, and until after the close of the 18th century fishing was the principal industry of the place, as manufacturing is now. Water-power is furnished by the Nashua river and by Salmon Brook, and the city is extensively engaged in manufactures, notably cotton goods, boots, shoes, and foundry and machine-shop products. ”
