Brass Transit by H.M. Pool, with 4-inch dia. silvered dial engraved H.M. Pool, Easton, Mass., engraved star at North, East and West points reversed, blued edgebar needle with central clamp in ribband, horizontal plate with opposite verniers, A-frames with vertical quarter-circle with silvered vernier scale divided 45-0-45°, 11-inch telescope with faceted yoke and calibrated vial, on four-screw leveling base, in mahogany case opening from the front, with remains of labels Foss & Merrill, Civil Engineers, Concord, N.H. and Anderson, Bonnell & Co.; and tripod.
Note: Horace M. Pool (1804 - 1879). His son, John M. Pool, continued the business until his death in 1904.