An Improved Method In The Art Of Signaling For Military And Scientific Purposes: One Instrument For Both Day And Night Work, Finley's Heliotrope

by Thomas Somerville

Book Overview

""An Improved Method In The Art Of Signaling For Military And Scientific Purposes: One Instrument For Both Day And Night Work, Finley�������s Heliotrope"" by Thomas Somerville is a book that provides a detailed guide on how to use a signaling instrument called the heliotrope. The heliotrope is a device that reflects sunlight or artificial light in a specific direction, allowing for long-distance communication...

• Format: Paperback
• Language: English
• ISBN: 1163075183
• ISBN13: 9781163075180
• Release Date: September 2010
• Publisher: Kessinger Publishing
• Length: 36 Pages
• Weight: 0.14 lbs.
• Dimensions: 0.1" x 6.0" x 9.0"