Non Push Key Pancakes

Click to Enlarge Image "D. K. MILLER LOCK CO PHILA. PA PATD JULY 26.70." - No Pins. 2 1/4" diameter. Lever mechanism. Mfg by: D. K. Miller Lock Co. Daniel K. Miller Patent # 105710(M-650).   
"The Edward Wright Collection"
9875
Click to Enlarge Image Yale Prototype - No Pins. 2 1/2" diameter. Brass body. Brass shackle. Pin tumbler mechanism. Nothing is stamped on the lock. Mfg by: Yale & Towne Mfg. Co. (Y-960).  
"The Edward Wright Collection" 
431