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Circuits
4
Fuses
4
Load rheostat
4
Griffith
2
Herbein
2
Wyomissing Trade School
2
1939
1
1940
1
Arthur C. Harper
1
Berkshire Knitting Mills
1
Calorimeter
1
Chauncey Kay
1
Classrooms
1
Coulombmeter
1
Course Catalog
1
Drawings
1
Ferdinand Thun
1
Geometry
1
Hanford
1
Harold A. Pfreimer
1