I don't know if you are still interested but the remains of E. W. Bliss exist at the only surviving Bliss facility in Hastings, MI. Most of the records and all blue print are stored here. We have over 5 million blueprints stored onsite. We also have extensive photos of many of the plants. We have produced history of Bliss in munitions and the 150 anniversary brochure. I do not have record of your great grand father, however there is much of the material that has not been researched or has been distroyed. Our website is
www.bcntechserv.comJohn R. Mitteer
VP Sales
Bliss, Clearing, Niagara
BCN Technical Services
269-948-3300