Time-keepers [The..] of Leiden Observatory :: Number of documents found: 11
(7704) 1670 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Thuret, Isaac :: Year Vol (No) Month (or Chapter/Auction item): 1 :: Pages: 12-14
- Comments and/or Abstract > wheels with 3 crossings
(7705) 1756 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: vandeCloese, Jacobus :: Year Vol (No) Month (or Chapter/Auction item): 2 :: Pages: 12-17
- Comments and/or Abstract > wheels with 4 crossings, escapement spanning 9 teeth
(7706) 1780 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Snellen, Willem :: Year Vol (No) Month (or Chapter/Auction item): 3 :: Pages: 18-19
- Comments and/or Abstract > wheels with 4 crossings, escapement spanning 11 teeth
(7707) 1816 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Knebel, Herman Friedrich :: Year Vol (No) Month (or Chapter/Auction item): 4 :: Pages: 20-22
- Comments and/or Abstract > wheels with 5 crossings
(7708) 1816 seconds beater at Leiden Observatory now in collection of Boerhave Museum
- Author: Knebel, Herman Friedrich :: Year Vol (No) Month (or Chapter/Auction item): 5 :: Pages: 20-22
- Comments and/or Abstract > no dial accoustical seconds beater only
(7709) 1838 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Utzschneider & Fraunhofer, :: Year Vol (No) Month (or Chapter/Auction item): 6 :: Pages: 23-24
- Comments and/or Abstract > no wheels for motionworkwheels with 5 crossings, escapement spanning 12
teeth
(7710) 1845 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Kaiser, Alexander :: Year Vol (No) Month (or Chapter/Auction item): 7 :: Pages: 25-26
- Comments and/or Abstract > wheels with 4 or 5 crossings, escapement spanning 13 teeth
(7711) 1861 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Hohwu sr, Andreas :: Year Vol (No) Month (or Chapter/Auction item): 8 :: Pages: 0
- Comments and/or Abstract > wheels with 5 or 6 crossings, escapement spanning 5 teeth
(7712) 1866 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Knoblich, Theodor :: Year Vol (No) Month (or Chapter/Auction item): 9 :: Pages: 0
- Comments and/or Abstract >
(7713) 1897 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Hohwu jr., Andreas :: Year Vol (No) Month (or Chapter/Auction item): 10 :: Pages: 0
- Comments and/or Abstract >
(7714) 1899 clock at Leiden Observatory now in collection of Boerhave Museum
- Author: Strasser, Ludwig :: Year Vol (No) Month (or Chapter/Auction item): :: Pages: 0
- Comments and/or Abstract >