Menu   Introduction   Catalogue   Essay   Handlist   Museums   Makers   Bibliography   Places   Conventions   Articles   Credits   Glossary   Help   Search   Index				Glossary A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |  162 to 166 of 227 glossary terms protractor: instrument for setting out and measuring degrees. quadragesima: the 40 days of Lent or the first Sunday in Lent. quadrans vetus: type of horary quadrant, see article on the quadrant. quadrant: instrument based on a quarter of a circle, see article on the quadrant. quadratum nauticum: diagram for finding course directions from latitudes and longitudes, see article on the astrolabe. Previous | Next || First | Last  Show 5 | 10 | 20 | 50 | 100 | 227 terms at a time || Introduction || Essay || Museums || Bibliography || Conventions || Credits || Privacy || Help || || Catalogue entries || Handlist || Makers || Places || Articles || Glossary || Search || Home ||