Sector signed John Allen
1630-1642
Brass-bound lodestone
1675-1700
Dover Castle turret clock
1632-1640
Model of early manual fire engine, ca. 1680.
1680
Gold amulet in the form of a cobra
2000-100 BCE
Trade card for John Yarwell, optician, London, England, 1697
1697
"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
Cupellation furnace
1696-1700
Compendium by Elias Allen
1630-1653
Gunter quadrant by Walter Hayes
1648-1687
wheel cutting machine
1668-1672 Probable
Gunter sector signed Elias Allen
1623
Gear wheel from long-case clock by Fromanteel
1660-1665
Pulley from long-case clock by Fromanteel
1660-1665
Escape wheel from long-case clock by Fromanteel
1660-1665
Telescope by John Yarwell.
1685-1695
Telescope by Christopher Cock
1673
Clock weight from long-case clock by Fromanteel
1660-1665
Combined graphometer and plummet clinometer, 1663.
1663
Spiral slide-rule
1663
Freud electronic laughing ball
1990-96
Frame saw,18 t.p.i. late 17th century.
1650-1700
Handheld reading lens and case
1680-1700
Horary quadrant by Henry Sutton
1658
Magnetic compass and sundial by Henry Sutton
1650-1665
Gunter quadrant
1640
Wooden Acupuncture Model
1681
Compound microscope
1700
Objective lens by John Reeves
1657-1689
Dividing engine for making sextants and octants
Made late 1700s, modified 1800s
CAROLVS II.
1667
ELIAS ALLEN
1666
Early balance spring watch by Thomas Tompion
1675-1679
Horary quadrant by Henry Sutton
1658
Slide rule by Robert Bissaker
1654
Pocket watch by Thomas Tompion
1675-1700
Very large bronze mortar
1666
Gear wheel from long-case clock by Fromanteel
1660-1665
Telescope by John Marshall
1685-1695
Morland's calculating machine
1666-1680
Napier's Bones
1690
Neolithic flint scraper
4000-2001 BCE
Earthenware posset pot, glazed
1650-1700
Viewer microscope, with bead lens, in square body
1888-185
Tall brass mortar with fairly straight sides
1631-1670
Bell-shaped mortar
1651-1700
Small bell shaped mortar
1627
Earthenware slab
1642
Large bronze bell-shaped mortar
1678
Small bell shaped bronze mortar
1631