Eric P. Newman Archives
This group contains manuscripts and ephemera from the Eric P. Newman papers (note, Eric P. Newman correspondence files are separately listed by correspondent).
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1 entries found for [year:1963]
0/1963Main Die Interlock for Connecticut Coppers: Includes 146 combinations (125 out of 229 for 1787 and 21 out of 37 for 1788)
Newman's die interlock chart for Connecticut coppers, 1963.
