[Milsurplus] Collins plug-in adapter brochure ?

[Hubert Miller]

Oh, I see now, the first link below is dated 1955. The second link is useless due to page size.
Odd that the earlier pub I have, 1954,  lists more receivers: SP-400, SP-600, HRO-50, HRO-60, 75A1, 51J.
It DOES after all have graphs but no schematic.
Collins brochures are pretty nice paper. Colorful, well presented.
-Hue

http://collinsradio.org/archives/manuals/Collins%20353A%20Filter%20Adapter%20Manual.pdf<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fcollinsradio.org%2Farchives%2Fmanuals%2FCollins%2520353A%2520Filter%2520Adapter%2520Manual.pdf&data=02%7C01%7C%7Cbe51e8c3b13c4c23db6008d6fa00bf56%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636971278443925558&sdata=o1K9XsijeykBk5S2QYVrBOctKl86EB4LSf%2B%2FUovsoCc%3D&reserved=0>
http://www.collinsradio.org/wp-content/uploads/2012/04/353Cmanual.pdf<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.collinsradio.org%2Fwp-content%2Fuploads%2F2012%2F04%2F353Cmanual.pdf&data=02%7C01%7C%7Cbe51e8c3b13c4c23db6008d6fa00bf56%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636971278443935569&sdata=nchcO%2BuoWSTRqXL1F5hl6IDrFnPs1lPT6TGhWOIUcCU%3D&reserved=0>

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