The Photochronograph and its application to star transits

Bibliographic Details
Main Author: Georgetown College Observatory (Washington, D.C.).
Corporate Author: Georgetown College Observatory (Washington, D.C.) (-)
Format: Book
Language:Inglés
Published: Washington, D.C. : Stormont & Jackson, printers 1891
Subjects:
See on Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991006645709706719
Description
Physical Description:36 p., II p. de làm : il; 30 cm
Place of Publication:Washington