275	261	44	38	53	100	95
1750–1770	1750–1760	1750–1800	c1759	1760	1760	c1760
13	116	128	131	141	233	102
c1760	1760–1780	c1760	1760	1760–1780	1760–1780	1767
31	180	241	87	41	143	49
c1760	c1760	c1760	1770	1750–1800	c1770	c1770
263	229	27	244	132	6	67
c1770	1774	1775–1800	1775–1800	1775–1795	1780–1785	1780–1800
265	34	242	140	247	54	115
1780	1788	1770–1790	1775–1800	1775–1800	1785–1800	1790–1820
60	17	134	35	113	69
1775-1800	1790	c1790	1793	c1785	1790–1810

Blue highlighting identifies featured microscopes

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