Search results

Source

• Allegheny Observatory Records, 1850-1967 (31) + -
• Pittsburgh City Photographer Collection, 1901-2002 (2) + -

Creator

• Allegheny Observatory (28) + -
• Thorne/Allegheny Observatory (3) + -
• Pittsburgh City Photographer (2) + -

Subject

• Observatories (30) + -
• Design and construction (25) + -
• Building sites (23) + -
• Buildings (5) + -
• Construction workers (4) + -
• Men (4) + -
• Equipment and supplies (2) + -
• Automatic control (1) + -
• Construction equipment (1) + -
• Dwellings (1) + -

• Garages (1) + -
• Observatory domes (1) + -
• Streets (1) + -

Location

• Observatory Hill (Pittsburgh, Pa.) (33) + -
• Pittsburgh (Pa.) (3) + -

Copyright Status

• unknown (31) + -
• pd (2) + -

Collection

• Allegheny Observatory Records (31) + -
• Pittsburgh City Photographer Collection (2) + -

Date