Dover Castle turret clock
1632-1640
Napier's Bones
1690
Sun-and-moon dial by Elias Allen
1607-1653
Wooden Acupuncture Model
1681
Sector signed John Allen
1630-1642
Early balance spring watch by Thomas Tompion
1675-1679
Doorcase 56 Lincoln’s Inn Fields
circa 1750
Celestial globe by Willem Janszoon Blaeu
1603
Pair of seventeenth-century dividers
1600-1699
Drum shaped clock in a gilt-metal case, signed R.S. c.1600
1600
Rock crystal and silver watch in the form of a tulip, by Sermand c.1640
1640
Watch in an octagonal silver case by Robert Grebauval
1625
Silver watch in the shape of a Tudor rose by William Clay
1640
Watch by David Margotin with a Blois Enamelled Case
1601-1700
Repeating watch by William Andreas Enderlin with enamel in the manner of Jean Mussard V
1700-1725
Verge escapement watch movement by Ahasuerus Fromanteel
1685
Wandering hour watch by Sinclare, Dublin, c.1690
1690
Hexagonal table clock by Johann Schmidtbaur
1700-1725
Astronomical 'Masterpiece' Clock by Johann Schneider
1625
Ivory folding sundial by Jacob Karner
1630
Combined graphometer and plummet clinometer, 1663.
1663
wheel cutting machine
1668-1672 Probable
Telescope by John Yarwell.
1685-1695
Gunter quadrant by Walter Hayes
1648-1687
Telescope by Christopher Cock
1673
Gunter quadrant
1650-1725
Compendium by Elias Allen
1630-1653
Pulley from long-case clock by Fromanteel
1660-1665
Clock weight from long-case clock by Fromanteel
1660-1665
Gear wheel from long-case clock by Fromanteel
1660-1665
Gunter quadrant
1650-1725
Brass-bound lodestone
1675-1700
Escape wheel from long-case clock by Fromanteel
1660-1665
Edmund Culpeper
1720
"The description and use of the Sector, Cross-staff and other Instruments", 2nd edition by Edmund Gunter
1636
Thomas Tuttell
1695-1702
Gunter sector signed Elias Allen
1623
Barnard Tompion clock
1708
Spiral slide-rule
1663
Sector by Charles Whitwell
1600-11
Trade card for John Yarwell, optician, London, England, 1697
1697
Cupellation furnace
1696-1700
Puritan-style watch by Edward East
1630
Silver 'Puritan' watch by Edward East
1640
Watch with faceted oval rock crystal case and protective outer case by John Ramsay
1625
Silver watch by James Vautrollier
1630
Watch in a rock crystal case by David Ramsay
1630
Month-going longcase clock with a 1¼ seconds pendulum
1675-1685
Silver form watch, in the shape of a cockle shell by Richard Masterson, c.1630
1630
Form watch by Benjamin Hill
1650