Here are some links to information that may be of interest to our customers.
James Lamb's paper on material properties in the mm-wave/THz region
Data giving contraction - to LHe temperatures.
Data giving Coupling Losses - in Gaussian Beam-Mode Optics.
Data giving waveguide sizes
Torque requirements for Bolts
Figure giving UG387/U-M flange specifications.
A note on Dirac's and QFT's derivation of g for an electron