Vintage Motorized Pumpjack Oil Derrik Salesman Sample USS Memphis and extracts that needed to

and extracts that needed to be ground and/or mixed into powder

against a grove background

Such models were often produced in technical schools

showcasing pronounced grain variation and natural figure throughout

White porcelain knobs contrast against the oak's warm grain

Vintage Motorized Pumpjack Oil Derrik Salesman Sample USS Memphis and extracts that needed toMechanical salesman's model simulating the operation of an oilfield pumpjack, mounted to a painted wooden base and driven by an electric motor with chain linked gearing. The articulated arm features a counterweighted head and vertical rod terminating in a cylindrical "well" housing, mimicking the up and down motion used in petroleum extraction. Painted in utilitarian industrial colors yellow and olive green the piece emphasizes function over finish,