Numbers = Wedge and Shank
Pins = Type 1
Crown = Type 1
Joint = Type 1
Heel = Type 1
Shield = Type 3
Stamps = None
Weight = 3.81 oz.
Hammer From Needham Conversion #421
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Microscope Images
Wedge Numbers
Hammer Number
Left Hammer Pin
Right Hammer Pin
Crown Forward
Crown Middle
Crown Rear
Wedge to Hammer Forward Joint
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