stoker-man wrote:From one of the first 520s produced.
Some also say 15 per hr of buck there is at least 6 of them left down at the shop been telling you and everyone about them for the last 4 years told you so they where on the 50's and early to mid 60's max feed 8 teeth 2.5 lbs per hr rice 2 lbs per hr buck Sorry for the double post this weather is playing hell with my Internet service
I don't know when it ended, but I sort of remember it merged with some other organization.
Assuming the Institute was incorporated ... You could guess what state it was incorporated and then look for any Anthracite Institute records in the Incorporation Charters granted by that state. My first guess would be PA and then DE for an incorporation state. If the records are like my state, MD, it would also show when it changed it's name and merged with another corporation.