Twist Oval barbed wire, [283]
2,4-D, sample of, [359]
United Fruit Company, donor, [71]
Upham, Andrew J., [318]
Vacuum pan, [26]
Vaughn, Ruben F., donor, [37]
Veikko, Jarvis, donor, [217]
Vermont Farm Machine Co., [68]
Vette, Irwin, [245]
Victor mower, [137]