The field of optical studies at high pressures has been limited to a range of a few thousand atmospheres not because glass would not withstand a higher pressure but because the proper window support had not been used in order to utilize the maximum strength of the glass.
Proceedings of the Iowa Academy of Science
© Copyright 1930 by the Iowa Academy of Science, Inc.
Wilson, Robert and Poulter, Thos. C.
"Some Recent Developments in High Pressure Windows,"
Proceedings of the Iowa Academy of Science, 37(1), 299-302.
Available at: https://scholarworks.uni.edu/pias/vol37/iss1/72