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Stephen Hawking's speech synthesizer board

Stephen Hawking's speech synthesizer board

1985-1988
Gravity Probe B gyroscope rotor and housing

Gravity Probe B gyroscope rotor and housing

1992-1995
Paper doll, from Stanford-Binet Scales

Paper doll, from Stanford-Binet Scales

1937-1949
Gravity Probe B gyroscope rotor and housing

Gravity Probe B gyroscope rotor and housing

1992-1995
Part of Gravity Probe B gyroscope

Part of Gravity Probe B gyroscope

1992-1995
Part of Gravity Probe B gyroscope

Part of Gravity Probe B gyroscope

1992-1995
Part of Gravity Probe B gyroscope

Part of Gravity Probe B gyroscope

1992-1995
Microfuge no.152A

Microfuge no.152A

1900-1980
The first Cisco AGS Router, made by Cisco Systems Inc, Palo Alto, California, United States, 1986

Cisco AGS router, 1986

1986
Mouse from Alto II computer, made by Xerox PARC, Paulo Alto, California, 1970-1979

Alto II mouse, 1970-1979

1970-1979
Keyboard from Alto II computer, made by Xerox PARC, Paulo Alto, California, 1970-1979

Alto II keyboard

1970-1979
5 key chording keyset from Alto II computer, made by Xerox PARC, Paulo Alto, California, 1970-1979

Alto II 5-key chording keyset, 1970-1970

1970-1979
Monitor from Alto II computer, made by Xerox PARC, Paulo Alto, California, 1970-1979

Alto II Computer Monitor, 1970-1979

1970-1979
Alto II computer, made by Xerox PARC, Palo Alto, California, United States, 1970-1979. Consists of 5-key chording keyset, keyboard, monitor and three-button mouse.

Alto II computer components, 1970-1979

1970-1979
Cary 401 Vibrating Reed Electrometer, made by Varian Instrument Division/Cary Products, Palo Alto, California 94303. Serial no.1369. Date of manufacture c.1978. With instruction manual

Vibrating Reed Electrometer

1975-1980
Sampling oscilloscope model 185A serial no. 120-00774 by Hewlett Packard, Palo Alto, California, with two captive probes, c. 1960, with two input channels each 10 - 200 mV/cm and timebase 10 - 100 millimicroseconds/cm plus X1 and X10 magnifier.

Sampling oscilloscope model 185A serial no. 120-00774 by Hewlett Packard

1955-1964 (estimated)
Water-colour drawing of Muybridge's track, with battery of 24 cameras, at Palo Alto, California, 1878

Water-colour drawing of Muybridge's track

1878
Main part of gyroscope rotor and housing from Gravity Probe B experiment, without case

Gravity Probe B gyroscope rotor and housing

1992-1995