Prism of Thallium glass on wooden plinth, c.1870.

Made:
1865-1875

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Prism of Thallium glass on wooden plinth, c.1870. Refractive Index 1.751, Specific Gravity 4.75 (length 1 5/8").

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Details

Category:
Optics
Object Number:
1915-311
Materials:
chamois leather, glass (thallium), mahogany (wood)
type:
prism - optical
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
credit:
Sir William Crookes
status:
Permanent collection

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