← Boxplorations: Papers of John J. Rose, Aviation Engineer

ms178_B4F37_PatentElectricalCircuitInterrupters

By Lisa Rickey | Published October 24, 2014 | Full size is 1226 × 1801 pixels

One of Rose's several patents. This one, for an Electrical Circuit Interrupter, was awarded in 1932. (ms178_B4F37)

One of Rose’s several patents. This one, for an Electrical Circuit Interrupter, was awarded in 1932. (ms178_B4F37)

One of Rose’s several patents. This one, for an Electrical Circuit Interrupter, was awarded in 1932. (ms178_B4F37)

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