[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [The Astronomical Observatories of Jai Singh](https://indike.org/pramana/ins.science.kaye-1918) › c16.6 # The Astronomical Observatories of Jai Singh c16.6 The Astronomical Observatories of Jai Singh c16.6 - **Language:** English ### [c16.6](https://indike.org/pramana/ins.science.kaye-1918.c16.6) ¹ e.g., a pocket dial made by Elias Allen about A.D. 1620; a more elaborate dial invented by John Paul Kraus and engraved by T. G. Gutwein; one by Rugendas of Augsburg, 17th century; one by Laurenz Grassl of Augsburg; etc., etc. - [Previous: c16.5](https://indike.org/pramana/ins.science.kaye-1918.c16.5) - [Next: c16.7](https://indike.org/pramana/ins.science.kaye-1918.c16.7) - [Up: c16](https://indike.org/pramana/ins.science.kaye-1918.c16) --- Source: [https://indike.org/pramana/ins.science.kaye-1918.c16.6](https://indike.org/pramana/ins.science.kaye-1918.c16.6) · Pramāṇa