. Edinburgh Encyclopedia. EXPLANATION OF PLATES. 767 Fig. 3. Is the form of the Stile for East and West Dials. Fig. 4. Represents a Polar Dial. Fig. 6. Is a Diagram for explaining Vertical Declining Dials. Fig. 6. Represents a Vertical South Dial declining to the West. Fig. 7. Represents a Vertical South Dial declining to the East. Fig. 8. Is a Diagram shewing how to construct a De- clining Dial, by considering it as a Horizontal Dial for some other place. Fig. 9. Is a Diagram shewing how to find the Decli- nation of a plane. Fig. 10, II. Are Diagrams explaining the theory of Inclining Dials.
. Edinburgh Encyclopedia. EXPLANATION OF PLATES. 767 Fig. 3. Is the form of the Stile for East and West Dials. Fig. 4. Represents a Polar Dial. Fig. 6. Is a Diagram for explaining Vertical Declining Dials. Fig. 6. Represents a Vertical South Dial declining to the West. Fig. 7. Represents a Vertical South Dial declining to the East. Fig. 8. Is a Diagram shewing how to construct a De- clining Dial, by considering it as a Horizontal Dial for some other place. Fig. 9. Is a Diagram shewing how to find the Decli- nation of a plane. Fig. 10, II. Are Diagrams explaining the theory of Inclining Dials. Fig. 12. Represents an Inclining Dial. Fig. 13, 14. Are Diagrams shewing how to find the path described on a plane by the extremity of a Shadow. Fig. 15. Is a Diagram explaining the Retrogradation of the Shadow on particular Dials. Fig. 16. Explains the theory of Dials with Variable Centres. Fig. 17. Represents a Dial with a Variable Centre. PLATE CCXXX. Fig. Fig, Fig. Fig. Fig. Fig. Fig- Fig. Fig. Fi , Fig. 1. Shews the geometrical construction of an Analemmatic or Azimuth Dial. 2. Represents a Dial which sets itself, being composed of an Analemmatic and a Horizontal Dial. 3. Represents Lambert's Dial. 4. Shews how to construct a Portable Dial on a Card. 5. Represents a Portable Dial on a Card. 6. Represents a Dial on the surface of a Cylin- der. 7. Shews how to construct the preceding Dial. 8. 9, 10. Shew the construction of a Ring Dial. 11, 12. Represent an Universal Dial on a Cross* and the method of constructing it. 13. 14. Represent Ferguson's Universal Dial which shews the hour by the Terrestrial Globe and by several Gnomons at the same time. 15. Represents a Vertical South Dial, with the Babylonian Hours. END OF VOLUME SEVENTH. Edinburgh: Printed by A. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the origin
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Keywords: ., bookauthorbrewsterdavidsir1781186, bookcentury1800, bookyear1830
