Resultados 1-3 de 25
He makes a wrong guess as to why a ship sails faster if the sail is hoisted higher ; he thinks it has to do with the leverage of the ' mast against the hull , whereas the real reason is that winds usually blow faster higher up .
you must be able to pull the sail taut and to clew it around so that it lies almost parallel to the keel . Sailors measure the angle between the keel of a ship sailing close - hauled and the direction of the wind in points .
The fore - and - aft sail appeared , making it possible to sail much closer to the wind than before . When a fisherman named Alexandros of Miletos died near Athens , a tombstone was put up showing Alexandros steering his fishing smack ...
Comentarios de la gente - Escribir un comentario
Calificaciones de los usuarios
LibraryThing ReviewCrítica de los usuarios - PDCRead - LibraryThing
This was originally written in 1962, and is therefore is a little dated. Sprague de Camp has written a book all about the different civilisations and the technologies that that invented or acquired ... Leer comentario completo
LibraryThing ReviewCrítica de los usuarios - Schmerguls - LibraryThing
5609. The Ancient Engineers, by L. Sprague De Camp (read 21 Jan 2019) This book was first published in 1963 and hence its bibliography includes nothing after that date. It undertakes to tell of the ... Leer comentario completo
One The Coming of the Engineers
Three The Mesopotamian Engineers
Four The Greek Engineers
Derechos de autor
Otras 7 secciones no mostradas