Joop Well-known member May 11, 2018 #1 City Back East State MA .. Looking to find a 1931 Pop-Out Lock Cylinder. See pictures please. Thanks Attachments IMG_6178.jpg 28.5 KB · Views: 45 IMG_6179.jpg 34.7 KB · Views: 38 IMG_6180.jpg 34.1 KB · Views: 38 IMG_6181.jpg 34.2 KB · Views: 38