the following decade (13). After World War II Klasing launched
its Power-Matic D1051 geared hand-brake with a fully rede-
signed wheel (14). Despite the movement toward standardiza-
tion in the late 1950s, Klasing’s model D1051 continued to be
applied to new equipment through the 1960s.
Miner – W. H. Miner Co.
Although most vertical brake wheels were 22 inches in diameter,
Miner gained some success with its 24-inch model D3202 wheel
launched in the early 1930s (15). The cast malleable iron wheel
13
14
15
13. Evolving pattern of
Klasing model 646, circa
mid-1940s.
14. Klasing model D1051,
mid-1940s through late
1960s.
15. Miner 24-inch model
S3202 – from the early
1930s.
