An edition of Star Altitude Curves (1927)

Star altitude curves.

3d ed. Latitude 40 t̊o 50 n̊orth. Positioned for epoch 1 Jan. 1945.

by Philip Van Horn Weems

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Philip Van Horn Weems

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Last edited by Mark Prange

April 25, 2012 | History

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An edition of Star Altitude Curves (1927)

Star altitude curves.

3d ed. Latitude 40 t̊o 50 n̊orth. Positioned for epoch 1 Jan. 1945.

by Philip Van Horn Weems

0 Ratings
1 Want to read
0 Currently reading
0 Have read

This is one of the greatest refinements of celestial navigaton: Weems makes usable the idea of Beij. Each page shows curves of equal altitude for three stars, compensating for the refraction at 5000 feet above Mean Sea Level. Editions beginning in 1940 are larger, on better paper, and show the three stars' curves in different colors.

There are two early editions. The first, in 1927, is in mimeographed form--with the sky-blue ink on white paper. From 1928 to 1930 a black-ink on (now discolored) pulp paper edition came out.

Star altitude curves were plotted for Harold Gatty's use in navigating around the world in 1931.

Publish Date

1940

Publisher

Weems system of navigation

Language

English

Pages

448

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Showing 8 featured editions. View all 8 editions?

Edition	Availability
1 Star altitude curves.: Positioned for epoch 1 January, 1945. Latitude 70 t̊o 80 n̊orth, latitude 80 t̊o 90 n̊orth. 1944, Weems system of navigation in English - 3d ed.	zzzz Not in Library Libraries near you: WorldCat
2 Star altitude curves. 1940, Weems system of navigation in English - 3d ed. Latitude 50 t̊o 60 n̊orth. Positioned for epoch 1 Jan. 1915...	zzzz Not in Library Libraries near you: WorldCat
3 Star altitude curves 1940, Weems system of navigation in English	zzzz Not in Library Libraries near you: WorldCat
4 Star altitude curves. 1940, Weems system of navigation in English - 3d ed. Latitude 40 t̊o 50 n̊orth. Positioned for epoch 1 Jan. 1945.	aaaa Not in Library Libraries near you: WorldCat
5 Star altitude curves. 1940, Weems system of navigation in English - 3d. ed. Latitude 0 t̊o 10 n̊orth. Positioned for epoch 1 Jan. 1945 ...	zzzz Not in Library Libraries near you: WorldCat
6 Star altitude curves 1938, Weems System of Navigation in English	zzzz Not in Library Libraries near you: WorldCat
7 Star Altitude Curves 1928, Rodney Stokes Press Aproximately square	zzzz Not in Library
8 Simultaneous Star Altitude Curves, Weems's Simultaneous Star Altitude Curves 1927, Rodney Stokes Press Hardcover	zzzz Not in Library

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Book Details

Edition Notes

At foot of t.-p.: Copyright [by] P. V. H. Weems.
Tables and diagrams on lining-papers.

Published in: Annapolis, Md

Classifications

Dewey Decimal Class: 629.13254
Library of Congress: TL587 .W415 1940

The Physical Object

Pagination: vii, 401-448 p.
Number of pages: 448

ID Numbers

Open Library: OL6458879M
LCCN: 43031992
OCLC/WorldCat: 6453015

Source records

Scriblio MARC record
Library of Congress MARC record

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History

Created October 19, 2009
12 revisions

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April 25, 2012	Edited by Mark Prange	Edited without comment.
April 25, 2012	Edited by Mark Prange	First editilon in 1927
April 25, 2012	Edited by Mark Prange	reverted to revision 7
April 25, 2012	Edited by Mark Prange	The early editions show curves for just two stars.
October 19, 2009	Created by WorkBot	add works page

Star altitude curves.

by Philip Van Horn Weems