Studies of Obsidian as a Material for Use in Making Astronomical Mirrors

Abstract

The aim of the project is to determine the extent to which obsidian can be used for making large mirrors for astronomical and other optical applications.

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Document Details

Document Type
Technical Report
Publication Date
Dec 10, 1948
Accession Number
AD0740691

Entities

People

  • Theodore Dunham Jr.

Tags

DTIC Thesaurus Topics

  • California
  • Chemical Properties
  • Climate Change
  • Coatings
  • Conductivity
  • Diameters
  • Glass
  • Materials
  • Measurement
  • Observatories
  • Optical Properties
  • Physical Properties
  • Refractive Index
  • Silica Glass
  • Thermal Conductivity
  • Thermal Expansion
  • United States

Fields of Study

  • Physics