"Crosby" Steam Gauge and Two Steam Turbine Books, A) "Crosby Steam Gauge & Valve Co" Boston steam gauge original box and pink decal in pieces, a 4 1/2" inner diameter gauge- has been used. B) Book "Steam Turbines" by Edwin F. Church, 1928, McGraw-Hill first edition/4th impr. C) Book "Steam Boilers" Peabody and Miller, John Wiley & Son, NY 1904, first edition.
