These are books from the 70s for training sailors the slide rule. Hardcover with pristine dust jackets. The item "The Slide Rule for Sea and Air Navigation, New Book, old stock" is in sale since Saturday, June 27, 2020.This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "digitalis1000" and is located in Grand Rapids, Michigan. This item can be shipped to United States, all countries in Europe, Canada, Australia, Japan, China, South Korea, Indonesia, Taiwan, South africa, Thailand, Hong Kong, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guadeloupe, Jordan, Cambodia, Cayman islands, Sri lanka, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Montserrat.