Model tractor, 10 x 5 x 4 inches high, mounted on a wooden base. The plate has International Harvester's logo and reads: SOLAR Gas Turbine Facility Groundbreaking, June 12, 1974. Solar Turbines, founded in San Diego in 1927, designs and manufactures industrial gas turbines for on- and off-shore electrical power generation, for marine propulsion and for producing, processing and transporting natural gas and oil. Donated by Solar Turbines to commemorate the event.