Items
recipient is exactly
Harrison, Frank
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[D9104AAR], Letter from Electrical Engineer, Frank R Colvin to Frank Harrison, June 24th, 1891
1891-06-24 -
[D9104AAV], Letter from Frank R Colvin to Frank Harrison, July 1st, 1891
1891-07-01 -
[D9104AAZ], Letter from Electrical Engineer, Frank R Colvin to Frank Harrison, August 17th, 1891
1891-08-17