Description of Rogers' portable micrometer-telescope.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified, 1877]
Series:	Hydrographic Office Practical Papers No. 6
Subjects:	Gorringe, Henry H. > (Henry Honeychurch), > 1841-1885. Telescopes. Electronic books.
Online Access:	Connect to the full text of this electronic document

Description
Item Description:	[With instructions for use in hydrographic surveys, and sample blank forms] Record is based on bibliographic data in ProQuest U.S. Executive Branch Documents, 1789-1909. Reuse except for individual research requires license from ProQuest, LLC. Electronic resource.
Physical Description:	1 online resource (7 pages)
Format:	System requirements: PDF reader software.