Advertising postcard for Clark Equipment Co. picturing Clark Tructractor on front. The Clarkat was introduced in 1926 and was used to pull trailers of freight and material remaining in production until 1982. Caption on front: "4-WHEELED CLARKAT SMALL INDUSTRIAL TRACTOR FOR RAILROAD AND FACTORY SERVICE. Clark Tructractor Co. Battle Creek, Mich." Caption on back: "Complete specifications on this sturdy little tractor will be mailed [sic] you if you will initial this card and mailing in envelope to Clark Tructractor Co., Battle Creek, Mich." Sent to: W. A. Forbes, Pres., Rockford Malleable Iron Works, Rockford, Ill. Sent on: April 19, 1934 at Battle Creek, Mich. Note: Clark Tructractor Co., a division of Clark Equipment Co., was founded in Battle Creek, Michigan in 1919.