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Federal
NIST MEMS Calculator - SRD 166
National Institute of Standards and Technology —
This MEMS Calculator determines the following thin film properties from data taken with an optical interferometer or comparable instrument: a) residual strain from... -
County
Pittsburgh Steps Map
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
Interactive Map of Pittsburgh's Steps -
County
City of Pittsburgh Steps
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
A listing of all steps and stairways in the City of Pittsburgh