Refracting terrestrial telescope

King George III

Gregorian reflecting telescope

Astronomy

1740-1780

Achromatic prospect glass telescope

Optics

1795-1805

Decorated leather spyglass telescope.

Optics

1680-1750

Naval refracting telescope

Optics

1765

Telescope with equatorial mounting

Surveying

1701-1800

Lacquered spyglass telescope.

Optics

1850-1924

Refracting Achromatic Telescope

Optics

1798

Gregorian reflecting telescope

Astronomy

1738-1777

Reflecting telescope model

Optics

1850-1924

Accessories for reflecting telescope

Optics

Object glass for refracting telescope

Astronomy

1781-1791

Case for Porro telescope

Optics

Achromatic prospect glass telescope

Optics

1794-1823

Case for refracting telescope

Astronomy

1870-1880

Newtonian reflecting telescope, 1795-1816

Astronomy

1795-1825

Cassegrain reflecting telescope; component

Astronomy

Case for refracting telescope

Astronomy

1880-1890

A walking-stick telescope

Optics

Refracting terrestrial telescope

Optics

1725-1735

Spy glass telescope

Optics

1780-1820

Small Gregorian reflecting telescope

Optics

1760

Hand held telescope

Optics

1850-1924

Achromatic prospect glass telescope

Optics

1809-1842

Case for hand telescope

Optics

1770-1777

Galilean telescope model

Optics

1850-1924

Case for refracting telescope

Astronomy

1838-1865

Telescope in Scioptic ball

King George III

Terrestrial refracting telescope

King George III

1700-1750

Refracting telescope components

Astronomy

Case for refracting telescope

Astronomy

1816-1823

Accessory for reading telescope

Geophysics

1904

Double-telescope surveying level

Surveying

1745-1755

Objectives for Refracting Telescope

Scientific Instruments & Research

1932-1937

Gregorian reflecting telescope

Optics

1755-1765

Adjustable telescope stand

Astronomy

1860-1880

Achromatic prospect glass telescope

Optics

1795-1805

Speculum mirror for Gregorian telescope

Astronomy

1753-1755

Dall-Kirkham Cassegrain reflecting telescope of fo

Astronomy

1974

Three-draw leather covered terrestrial telescope

Optics

1911

Pancratic refracting telescope by Spencer, Brownin

Optics

1845

Telescope in scioptic ball

King George III

Eyepiece, from Huygen's 210-Foot aerial telescope

Astronomy

1686-1691

spyglass or Galilean telescope, contains gilded to

Optics

1735-1772

Telescope Eyepiece from Great Rosse Telescope, 1845-1850

Astronomy

1845-1850

Polemoscope or 'Jealousy Glass', small telescope,

Optics

1725-1735

Case for refracting telescope

Astronomy

1925

Lens for refracting telescope

Astronomy

1797

Italian draw-tube refracting telescope with stand, 1701-1730

Astronomy

1701-1730

Telescope with equatorial mounting

Surveying

1701-1800