Beautifully engraved SPECIMEN certificate from the John Warren Watson Company. This historic document was printed by the Security Banknote Company in 1929 and has an
ornate border around it with a vignette of a Watson Stabilator Factory. This item is
over 75 years old.
During 1925-35, changes in road and traffic conditions altered the development path of automobile suspension systems. Cadillac improved the ride quality of its cars by reducing the un-sprung weight. John Warren Watson, a manufacturer of "stabilators," said: "Although springs are almost entirely responsible for the way a car rides, the control mechanism determines what kind of springs can be used." He suggested that the two be designed in a unison systems approach.
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