The sector on a quadrant, or A treatise containing the description and use of four several quadrants two small ones and two great ones, each rendred many wayes, both general and particular. Each of them accomodated for dyalling; for the resolving of all proportions instrumentally; and for the ready finding the hour and azimuth universally in the equal limbe. Of great use to seamen and practitioners in the mathematicks. Written by John Collins accountant philomath. Also An appendix touching reflected dyalling from a glass placed at any reclination.
About this Item
Title
The sector on a quadrant, or A treatise containing the description and use of four several quadrants two small ones and two great ones, each rendred many wayes, both general and particular. Each of them accomodated for dyalling; for the resolving of all proportions instrumentally; and for the ready finding the hour and azimuth universally in the equal limbe. Of great use to seamen and practitioners in the mathematicks. Written by John Collins accountant philomath. Also An appendix touching reflected dyalling from a glass placed at any reclination.
Author
Collins, John, 1625-1683.
Publication
London :: printed by J.M. for George Hurlock at Magnus Corner, Thomas Pierrepont, at the Sun in Pauls Church-yard; William Fisher, at the Postern near Tower-Hill, book-sellers; and Henry Sutton, mathematical instrument-maker, at his house in Thred-needle street, behind the Exchange. With paper prints of each quadrant, either loose or pasted upon boards; to be sold at the respective places aforesaid,
1659.
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Subject terms
Mathematical instruments -- Early works to 1800.
Astronomy -- Early works to 1800.
Navigation -- Early works to 1800.
Dialing -- Early works to 1800.
Link to this Item
http://name.umdl.umich.edu/A34005.0001.001
Cite this Item
"The sector on a quadrant, or A treatise containing the description and use of four several quadrants two small ones and two great ones, each rendred many wayes, both general and particular. Each of them accomodated for dyalling; for the resolving of all proportions instrumentally; and for the ready finding the hour and azimuth universally in the equal limbe. Of great use to seamen and practitioners in the mathematicks. Written by John Collins accountant philomath. Also An appendix touching reflected dyalling from a glass placed at any reclination." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A34005.0001.001. University of Michigan Library Digital Collections. Accessed April 28, 2025.
Pages
descriptionPage [unnumbered]
Errours in the Horizontal Quadrant.
PAge 5 line 6 in an Italian letter should not have been distinct, nor in another letter from the former line. page 5. line 9. for quarter, read half. p. 5. l. 13. r. of a quadrant. p. 11. l. 7. r. 63d. 26′. p. 19. l. 7. r. the same day to. p. 23. l. 17. r. and ends at 32′ past 9. p. 27. l. 7. for N R, r. N Z. p. 28. l. 4. r. in the parallel. p. 30. l. 9, & l. 10. r. 23d. 31′. p. 38. l. 4. r. Is to the sine. p. 50. l. 5. r. whereof the Diame∣ter.
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