Corbin catalog from 1954
Found this link over on Lockpicking101.com
https://ia800402.us.archive.org/0/items/CorbinLockCatalogN021954/Corbin%20Lock%20Catalog%20N0%202%201954.pdf
https://ia800402.us.archive.org/0/items/CorbinLockCatalogN021954/Corbin%20Lock%20Catalog%20N0%202%201954.pdf