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Henry Draper catalog entry
abbr., astronaut.
HD
IT, abbr.
HD
(Space)
Henry Draper catalog entry
:
45 phrases
in 19 subjects
Advertising
1
Animal husbandry
2
Automobiles
1
Biology
6
Desert science
2
Earth sciences
2
Economy
2
Electric machinery
1
Electronics
4
General
6
Geophysics
1
Industry
1
Life sciences
1
Metallurgy
5
Military
1
Oil / petroleum
1
Pharmacology
1
Technology
6
Textile industry
1
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