“Apple floppy chip for later Apple II, IIgs, early Mac”
Unknown
“theres 3 known revisions of the IWM: the prototype/ceramic one, the -A one and the -B one.”
License: “I hearby release the images and files on http://www.downloads.reactivemicro.com/Public/Users/Henry_Courbis/Pics/IWM%20Pics/ under the Creative Commons Attribution 4.0 International (CC BY 4.0) License.”
Source: http://www.downloads.reactivemicro.com/Public/Users/Henry_Courbis/Pics/IWM%20Pics/