7-metre solar spectrograph for Poulkovo Observatory
By: Sir Howard Grubb
Series: Publication -- no. 2; Publication (Sir Howard Grubb, Parsons & Company) -- no. 2
Publisher: Offices of "Engineering"
Published: 1931
Place of publication: London
Language: eng
Subjects: Spectrograph; Glavnai︠a︡ astronomicheskai︠a︡ observatorii︠a︡ (Soviet Union)
Other titles: Seven-metre solar spectrograph for Poulkovo Observatory; Engineering (London, England)
Notes: Title from cover.

Reprinted from Engineering, July 18, 1924.