Timmis system
Timmis was an innovative design of double coiled springs, originally used for railway rolling stock, such as on the Barsi Light Railway c1889, as formulated by Everard Calthrop.
Timmis was an innovative design of double coiled springs, originally used for railway rolling stock, such as on the Barsi Light Railway c1889, as formulated by Everard Calthrop.