Colenda Digital Repository
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Subject
- History3
- Schools -- Pennsylvania -- Philadelphia3
- Academy and Charitable School of Philadelphia in the Province of Pennsylvania2
- Charity School (Philadelphia, Pa.)2
- Education2
- Franklin, Benjamin, 1706-1790 -- Correspondence2
- Schools2
- Aeronautics -- History1
- Balloons1
- Booksellers and bookselling1
- Chemistry1
- Chemistry -- History1
- Connecticut. -- Militia1
- Education -- Pennsylvania1
- Electricity1
- Electricity -- Early works to 18001
- Electricity -- Experiments1
- Electricity -- Experiments -- Early works to 18001
- Exports1
- Franklin, Benjamin, 1706-17901