Bolt and Screw

Alcatraz Island, Part of Golden Gate National Recreation Area, National Park Service
San Francisco, CA, United States

Bolt
c 1962
This bolt, with a red and white "evidence" label, was recovered from bucket of dried cement on roof of cellblock after 1962 escape from Alcatraz.
Metal, tape. H 8.0, DIAM 3 cm
Golden Gate National Recreation Area, GOGA 396

Screw
c 1962
Bar-spreader, made by inmates involved in the 1962 escape attempt.
Galvanized metal. H 10.5, DIAM(of nut) 1.6 cm
Golden Gate National Recreation Area, GOGA 397

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Details

Title: Bolt and Screw
Physical Location: Golden Gate National Recreation Area
Contributor: Alcatraz Island, National Park Service
Original Source: http://www.nps.gov/museum/exhibits/alca/exb/FederalPrison/Inmates/Escapes/1962Escape/goga396_397_screw_bolt_exb.html

Alcatraz Island, Part of Golden Gate National Recreation Area, National Park Service

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