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Speculum Mirror, 1850-1870

Speculum Mirror, 1850-1870

1850-1870
Speculum Mirror, 1850-1870

Speculum Mirror, 1850-1870

1850-1870
Carrying case for astro-compass Mark II.

Carrying case for astro-compass Mark II.

1940-1955
Horizon for Peck's Astronomical Indicating and Observing Instrument

Horizon for Peck's Astronomical Indicating and Observing Instrument

1912
Hours of Right Ascension, for Peck's planisphere

Hours of Right Ascension, for Peck's planisphere

1912
Hour Angles for Peck's planisphere

Hour Angles for Peck's planisphere

1912
Planisphere to indicate position of celestial objects

Planisphere to indicate position of celestial objects

1912
Degrees of Altitude for Peck's planisphere

Degrees of Altitude for Peck's planisphere

1912
Speculum Metal Mirror, 1860

Speculum Metal Mirror, 1860

1860
ARG-1 Astronomical Predictor for navigational use

ARG-1 Astronomical Predictor for navigational use

unspecified component, parts from Balloon-borne experiment, Infra-red cosmic background spectrometer

unspecified component

1980-1985
Balloon-borne experiment, Infra-red cosmic background spectrometer

Balloon-borne experiment

1980-1985
Cryostat (Dewar flask), part of balloon-borne experiment, infra-red cosmic background spectrometer.

Cryostat (Dewar flask)

1980-1985
Astro-compass Mark II consisting of a bearing plate and sighting device used in air navigation on adjustable feet, in carrying case (see note), unsigned

Astrocompass Mk.II

1940-1955
unspecified component, part of balloon-borne experiment, Infra-red cosmic background spectrometer

unspecified component

1980-1985