One of Rose’s several patents. This one, for an Electrical Circuit Interrupter, was awarded in 1932. (ms178_B4F37)
Boxplorations: Papers of John J. Rose, Aviation Engineer
← Boxplorations: Papers of John J. Rose, Aviation Engineer
One of Rose’s several patents. This one, for an Electrical Circuit Interrupter, was awarded in 1932. (ms178_B4F37)