Columbia subject headings:
Dimensions--Congresses.
Expansion of solids--Congresses.
Materials--Thermal properties--Congresses.
Optical instruments--Design and construction--Congresses.
Harvard subject headings:
Princeton subject headings:
Dimensions--Congresses.
Expansion of solids--Congresses.
Materials--Thermal properties--Congresses.
Optical instruments--Design and construction--Congresses.