- The Library Shop
- Privacy Policy
- Rules and Regulations
- Using the Internet
- Website Terms and Conditions
- Gifts of Materials to NYPL
-
© The New York Public Library, 2026
The New York Public Library is a 501(c)(3) | EIN 13-1887440
Rare Book Division, The New York Public Library. "Magnified view of crystals found in quartz (fig. 1) ; Magnified view of bladder stones (fig. 2) ; Diagrams showing the geometric figures generated by packed circles" The New York Public Library Digital Collections. 1665. https://old-digitalcollections.nypl.org/items/69e11b22-a6e7-0181-e040-e00a18061ebd
Rare Book Division, The New York Public Library. "Magnified view of crystals found in quartz (fig. 1) ; Magnified view of bladder stones (fig. 2) ; Diagrams showing the geometric figures generated by packed circles" New York Public Library Digital Collections. Accessed September 15, 2026. https://old-digitalcollections.nypl.org/items/69e11b22-a6e7-0181-e040-e00a18061ebd
Rare Book Division, The New York Public Library. (1665). Magnified view of crystals found in quartz (fig. 1) ; Magnified view of bladder stones (fig. 2) ; Diagrams showing the geometric figures generated by packed circles Retrieved from https://old-digitalcollections.nypl.org/items/69e11b22-a6e7-0181-e040-e00a18061ebd
<ref name=NYPL>{{cite web | url=https://old-digitalcollections.nypl.org/items/69e11b22-a6e7-0181-e040-e00a18061ebd | title=
(still image)
Magnified view of crystals found in quartz (fig. 1) ; Magnified view of bladder stones (fig. 2) ; Diagrams showing the geometric figures generated by packed circles, (1665)
|author=Digital Collections, The New York Public Library |accessdate=September 15, 2026 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>