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 

55 to 64 of 227 glossary terms
dialling quadrant: instrument in the form of a quadrant used in the construction of a sundial.
diptych dial: type of sundial which, in many cases, could be called an astronomical compendium, in the form of a folding tablet, usually in ivory, with at least a string gnomon and a horizontal dial on the inside, but often with other dials as well.
disc dial: type of sundial belonging in the class of altitude dial.
dividers: instrument with jointed legs for measuring and transferring distances, see article on the dividers.
dominical letter: letter denoting the day of the first Sunday of the year, see article on time and date.
drawing instruments: instruments used for drawing and constructing geometrical figures, see article on drawing instruments.
Easter table: table for calculating the date of Easter, see article on time and date.
ecliptic: line on the celestial sphere representing the annual path of the sun through the stars.
epacts: numbers used in the calculation of Easter, see article on time and date.
equal hours: system of hour reckoning, see article on time and date.
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 ||