The Spaulding Manufacturing Co. was based in Grinnell, Iowa, and traced its roots to the carriage-building business of Henry W. Spaulding, born in 1846 and died in 1937. Spaulding worked as a blacksmith and carriage builder, and by 1900 his enterprise was said to be the oldest and largest maker of vehicles west of the Mississippi River. Spaulding and his two sons entered automobile manufacturing in 1910 with a conventional…