* Change 1 Part Red {27 Window 1 x 2 x 1, no Glass to 27c01 Window 1 x 2 x 1 with Trans-Clear Glass (27 / 27glass)} (Alternate)
* Change 1 Part Red {29 Window 1 x 1 x 2 to 29c01 Window 1 x 1 x 2 with Trans-Clear Glass (29 / 29glass)} (Alternate)
* Change 1 Part Red {39 Window 1 x 1 x 1 to 39c01 Window 1 x 1 x 1 with Trans-Clear Glass (39 / 39glass)} (Alternate)
Comments from Submitter:
Source: Sealed Set
When adding the Windows with extended lip back in 2008, I didn't realize that the existing inventory was wrong for these small windows. Probably because it looked right with all numbers without suffix. This set was produced from 1969 to 1972 and all windows came with glass.