Caption: Insulation adopted as standard by U.S. Navy. Electrose Mfg. Co., Brooklyn, NY. Electrose Insulation, SC-61 06-13-19.

(Digital photo of a microfiche image.)

submarine chaser SC 61
Photograph of submarine chaser SC 61. National Archives, Record Group 165-WW, Fiche 1392. Thanks to Dan Treadwell for submitting the digital image to the Subchaser Archives.