Lippich type Polarimeter, German, 1905-1914
1905-1914
Newton's disc apparatus
1880-1900
Plastic protractor with brass indicator pin
1880-1920
‘The Diagnostic’ optical instrument, used by Horace Dall
1910-1947
Abbe Refractometer, used by Horace Dall
1918-1920
Set of 5
1870-1880
Optical instrument with wood handle
1860-1920
Brass microscope, used by Horace Dall
Brass microscope, used by Horace Dall
1880-1920
Microscope slide containing diamond microwriting, used by Horace Dall
Stand only from optical instrument
1920-1940
Optical instrument with wood handle
1860-1920
‘Service’ Metallurgical microscope, used by Horace Dall
1935-1945
Bottle of Alumina cement, used by Horace Dall
Microscope components, used by Horace Dall
Wooden instrument containing a hand revolved disc which bears smaller coloured discs
1830-1890
Optical instrument with wood handle
1860-1920
Assorted microscope pieces, used by Horace Dall
Spectro-prisms, used by Horace Dall
Magnesium Fluoride, used by Horace Dall
Optical instrument with wood handle
1860-1920
Microscope slides with microwriting, used by Horace Dall
Spectro-prisms, used by Horace Dall
Optical instrument with wood handle
Brass mount and two nickel discs
1900-1930
Optical cabinet
1766
Prism and aperture scale, used by Horace Dall
Optical instrument, used by Horace Dall, London, England
Magnesium Fluoride, used by Horace Dall
Optical instrument with wood handle
1860-1920
Microscope stages with clips, used by Horace Dall
Balls up to 035, used by Horace Dall
Optical instrument with wood handle
1860-1920
Part of optical instrument
1880-1930
Lens blanks, used by Horace Dall
Collimator telescope
1860-1880
Collimator telescope
1922-1930
Sapphire roles, used by Horace Dall, London, England
Gemstone micro-lens tools, used by Horace Dall, London, England
Modified microscope box, used by Horace Dall
Wedge refractometer used by Horace Dall
Lens(?), or some part of optical instrument, solid
1880-1935
Optical Instrument made by Adam Hilger
Culpeper type microscope, unsigned
1720-1740
Gemstone micro-lens tools, used by Horace Dall, London, England
Samples of YAG, cubic zirconia, and GGG, used by Horace Dall
Optical instrument with wood handle
1860-1920
Microscope stages with clips, used by Horace Dall
Polarized light demonstration apparatus by Newton & Co.
Diploscope with 'Dog' test card
1920-1950