AMERICAN OAK EMPLOYEE TIME PUNCH CLOCK.Early 20th century. Dial signed "International", manufactured by International Time Recording Division, precursor to IBM; based on 1888 patent of Alexander Dey; cast iron flywheel with pins for punching workers' numbers, time recorded on preprinted sheet and bell rings with each punch; two-color ribbon prints regular time in green, all other such as overtime and tardiness in red; this model accomodates up to 200 employees; electric; label with November 11, 1913, model 6035 #2, patent March 7, 1916 pending - 35 1/2 in. x 19 in. x 17 1/2 in. Estimate $800-1,000
