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Summary of physical-mechanical, optical and photographical inspection:
Physical-mechanical inspection:
Solidness
Non-shrinkage
Climate-persistance
Hardness
Friction
Surface micro-structure
Microscopy
Inspection of foils and layers
Optical inspection:
Inspection of light and rays
Spectral inspection (UV until IR.)
Inspection of streaks
Polarisation inspection
Turbidity
Gloss
Fluorescence
Colorimetric
Measurements of optical densities within the macro and micro range
Photographically inspection:
Sensitivity
Gradation
Graininess
Sharpness
Resolving power
Colour reproduction
Photographically pressure and scratch sensitivity
Sensitometrical exposures
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