Astronomy
1830
Time Measurement
1701-1800
Optics
1735-1772
1838-1845
Meteorology
1695-1705
Surveying
1895-1905
hallmarked 1823
1601-1650
Medical Glass-ware
1801-1900
1801-1833
1745-1755
1871-1900
1597
1671-1700
1795-1805
Collection Unassigned
1531-1570
1840-1860
c. 1700
hallmarked 1824
1719
Locks & Fastenings
1671-1730
1601-1700