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You searched for: Name Helfand, William Remove constraint Name: Helfand, William Subject Scientists Remove constraint Subject: Scientists
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1. Rev.d Joseph Priestley, L.L.D F.R.S.
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Date:
1804
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
2. The Honourable Robert Boyle.
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Date:
1795
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
3. Joseph Priestley, L.L.D. F.R.S.
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Date:
1782
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
4. Sir Isaac Newton.
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Date:
1822
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
5. Honble. Robert Boyle.
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Date:
[not before 1650]
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
6. James Watt L.L.D. F.R.S.L.& E.& c.
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Date:
[not before 1801]
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
7. J. Priestley, L.L.D. F.R.S.
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Date:
1792
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
8. James Watt. : From a picture by Sir W. Beechey in the possession of J. Watt Esq. of Aston Hall. Under the Superintendance of the Society for the Diffusion of Useful Knowledge.
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Date:
[between 1822 and 1833]
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
9. Sr. Isaac Newton.
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Date:
[not before 1702]
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
10. Sir Isaac Newton.
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Date:
[not before 1790]
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)