1 This is a picture of the SIA ( Space Instrument Assembly) quartz block being placed inside a special cleaning cabinet, located in one of HEPL's clean rooms.
2 Gas distribution management center in HEPL labs.
3 HEPL's Class 10 clean room being vacuumed out soon after construction.
4 HEPL labs, empty, prior to the construction of the labs and clean rooms required by GP-B. Before 1988, at least.
5Via Palou Street at Stanford Looking down Via Palou Street at Stanford, the Gravity Probe B building is on the left, and the W.W. Hansen Experimental Physics Lab, where much of the GP-B technology was developed, is on the right.
6Gravity Probe B Building The Gravity Probe B building at Stanford University.
7GP-B Building at Stanford Stanford University, with the two-story Gravity Probe B building in the left foreground and Stanford's Hoover Tower in the background.
8HEPL Stanford University W. W. Hansen Experimental Physics Lab (HEPL), where much of the Gravity Probe B technology was designed and built.
9 Corridor between FISTOps and the class 100 clean room.
10 Outside of FISTOps, inside of the HEPL building.
11 GP-B Cryogenic gases distribution center.
12 The SQUID readout lab in the HEPL building. The plastic walls form a temporary "clean" environment over the lab benches.
13 View of the empty supply yard directly in front of HEPL labs.
14 The project sign located in front of the Mission Operations Module at Stanford.
15 HEPL's Class 10 clean room being vacuumed out soon after construction.
