H. M. Pool & Brothers

In the history of Easton published in 1886 the following paragraph appears on page 591: "In the south part of the town, in the year 1828, J. & H. M. Poole [or Pool] began the manufacture of mathematical instruments on a small scale. A strong prejudice for foreign-made instruments was only slowly overcome. Poole's work was said not only to equal but even to excel the imported. In 1878, John M. Poole, who had for twenty-five years been foreman, succeeded to the business. He manufacturered surveyor's transits, builder's levels, land and telescopic compasses, and many other instruments of this kind." William L. Chaffin, History of the Town of Easton, Massachusetts (Cambridge, MA: Wilson, 1886).