[CATERPILLAR.] Group of 3 posters. 1929. Each approximately 12x50. 5in. Condition varies, generally B+. Paper. A connecting triptych, inblue, green, brown, yellow and red, illustrating all of the differentuses of Caterpillar tractors, including

[CATERPILLAR.] Group of 3 posters. 1929. Each approximately 12x50. 5in. Condition varies, generally B+. Paper. A connecting triptych, inblue, green, brown, yellow and red, illustrating all of the differentuses of Caterpillar tractors, including logging, plowing, clearing snow and other activities; within an orange border.