Toy polariscope
1828-1830
Norrenberg polariscope with Wheatstone's improvements
1876
Large projection polariscope in three mahogany cabinets
1875-1880
Norrenberg Polariscope especially adapted for crystallographic work
Newton & Co. Polariscope
1865-1875
Norrenberg Polariscope by Soleil
Rutley's polariscope, no polarizing nicol prism
Plate cut from tourmaline uniaxial crystal
Airy polariscope modified by Brady
Brass demonstration polariscope with biaxial crystal
1830-1880
Polariscope
1840-1850
Plate cut from barytes biaxial crystal
Plate cut from 1mm calcite uniaxial crystal
Plate cut from hemitrope calcite uniaxial crystal
Plate cut from anhydrite biaxial crystal
Plate cut from corundum uniaxial crystal
Wollaston's polariscope No. 948
1850-1899 (estimated)
Lantern Polariscope
1870-1880
Glass plate used as polariser, in case
1850-1924
Lantern polariscope
Plate cut from axinite biaxial crystal
Plate cut from apophyllite uniaxial crystal
Small polariscope, by C.D. Ahrens
Plate cut from brucite uniaxial crystal
Plate cut from right-handed quartz uniaxial crystal
Plate cut from left-handed quartz uniaxial crystal
Polariscope, wood and glass
1850-1924
Plate cut from beryl uniaxial crystal
Hand polariscope
1845-1855
Plate cut from dioptase uniaxial crystal
Plate cut from 0.5mm calcite uniaxial crystal
Plate cut from zircon uniaxial crystal
Plate cut from 3mm calcite uniaxial crystal
Polariscope (c.1840-50)
1840-1850
Plate cut from adularia biaxial crystal
Plate cut from meionite uniaxial crystal
Polariscope
1850-1924
Polariscope (c.1850)
1850
Polariscope (c.1840-50)
1840-1850
Polariscope by Reichert no.2472
Plate cut from apatite uniaxial crystal
Plate cut from aragonite biaxial crystal
Plate cut from 8mm quartz uniaxial crystal
Early Arago Polariscope, in case, French, 1870
1865-1875
Polariscope and accessories
Arago polariscope
Complete Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd
1962
Ladd's Polariscope on iron tripod
1870
Elbow projection polariscope, with accessories
1890-1900
Component parts for Jessop-Leech Photoelastic Bench (Polariscope) by Leech (Rochester) Ltd
1962