"Push Key 6-Lever Brass Round Padlocks (Pancake) - B thru B"

Click to Enlarge Image "BELKNAP'S 6-LEVER" - No Pins - Letter Style 1. Made for: Belknap Hardware & Mfg. Co. Mfg by: Slaymaker Lock Mfg. Co. (12.0). 33
Click to Enlarge Image "BELKNAP'S 6LEVER" - No Pins - Letter Style 2. Made for: Belknap Hardware & Mfg. Co. Mfg by: Slaymaker Lock Mfg. Co. (12.1). 1118
Click to Enlarge Image "BELKNAP'S 6-LEVER" - No Pins - Square Beveled Shackle - Letter Style 3. It appears that the squared sides of the shackle were modified after manufacture. Made for: Belknap Hardware & Mfg. Co. Mfg by: Slaymaker Lock Mfg. Co. (12.2).
"The Jon Kolozvary Collection"
2680
Click to Enlarge Image "BELT RY." - Left Pin. Made for: Belt Railway Co., Chicago. Mfg by: Miller Lock Co. (13.0).
"The Bill MacNab Collection"
34
Click to Enlarge Image "THE BERGNER & ENGEL BR'G, Co." - No Pins - Low Rounded Shackle.  It is not clear if this is a factory low rounded shackle, or altered after manufacture. Made for: Bergner & Engel Brewing Co., Philadelphia, Pennsylvania. Mfg by: Miller Lock Co. (13.6).
"The Jon Kolozvary Collection"
68
Click to Enlarge Image "THE BERGNER & ENGEL BR'G, Co." - No Pins - Patent.  "MILLER LOCK CO JULY 26 70 OCT 21 73" is stamped on the obverse of the shackle. Made for: Bergner & Engel Brewing Co., Philadelphia, Pennsylvania. Mfg by: Miller Lock Co. Patent #'s 105710 143831(13.5). 1297
Click to Enlarge Image "BIG BILL 6•LEVER" - No Pins. Mfg by: Sargent & Co. (14.0). More... 
"The David Heuermann Collection"
35
Click to Enlarge Image "BIG BILL 6•LEVER" - No Pins - High Shackle. Mfg by: Sargent & Co. (14.5). More...  36
Click to Enlarge Image "G. BLOK" - No Pins. 2.364" diameter. Before the revolution in St. Petersburg, Moscow, Odessa there were shops called G. BLOK. They sold bicycles, typewriters, and other hardware. Mfg  by: Miller lock Co. (14.8).
"The Jon Kolozvary Collection"
There is only 1 known specimen ... November 2003.
37
Click to Enlarge Image "BODE 6•LEVER" - No Pins. Made for: Bode Hardware Co. (15.0).
"The Richard Bruno Collection"
38
Click to Enlarge Image "BRIGHT&Co 6•LEVER" - No Pins - Short "L". Wide letters. (15.5). 39
Click to Enlarge Image "BRIGHT&Co. 6-LEVER" - No Pins - Medium "L". Narrow letters. (16.0).
"The Jon Kolozvary Collection"
40
Click to Enlarge Image "BROOKLYN EL. RWY. Co." - No Pins. Made for: Brooklyn Elevated Railway Co., Brooklyn New York. (16.2).
"The Bill MacNab Collection"
41
Click to Enlarge Image "The BROWN NEWS Co." - 2 Pins. Made for: Brown News Co., Kansas City, Missouri. A publishing company. (16.4).
"The Jon Kolozvary Collection"
42
Click to Enlarge Image "B.S.Co." - Left Pin. Made for: Bethlehem Steel Co. Mfg by: Miller Lock Co. Patent #  695347(17.0). 43