ChenakalV. L., Russkie priborostroiteli pervoi poloviny 18 veka [Russian instrument-makers of the first half of the eighteenth century] (Leningrad, 1953), 12–13.
3.
TaylorE. G. R., The mathematical practitioners of Hanoverian England, 1714–1840 (Cambridge, 1966), 112–13.
4.
Arkhiv Voenno-istoricheskogo muzeya artillerii, inzhenernykh voisk i voisk svyazi (Leningrad), fond 2, inv. no. 47, f. 676.
5.
Ibid., fond 2, inv. no. 47, f. 686; fond 2, inv. no. 48, f. 1087.
6.
Ibid., fond 2, inv. no. 48, f. 295.
7.
Ibid., fond 2, inv. no. 164, f. 147.
8.
Ibid.
9.
Ibid., fond 2, inv. no. 180, ff. 273, 280.
10.
Ibid.
11.
Ibid., f. 312.
12.
Ibid., f. 335.
13.
Inv. no. 00278.
14.
For a description of this type see Bassermann-JordanE., Uhren. Ein Handbuch für Sammler und Liebhaber (Berlin, 1914), 23–24; and HigginsK. (ref. 19 below). The analemmatic dial was a speciality of Thos. Tuttle who operated in London c. 1700–1720. He published an engraving of the dial. One of his dials is preserved in the Museum of the History of Science, Oxford. Later John Bird also made dials of this type.
15.
Arkhiv …, fond 2, inv. no. 215, f. 31.
16.
Leningradskoe otdelenie Arkhiva Akademii nauk SSSR, fond 3, op. 1, no. 80, f. 348.
17.
Inv. no. ERTkh 705.
18.
DaumasM., Les instruments scientifiques aux XVIIIe et XVIIIe siècles (Paris, 1953).
19.
HigginsK., “The Classification of Sundials”, Annals of science, ix, no. 4 (December 1953), 342–58.
20.
Inv. no. ERTkh 1272.
21.
ZinnerE., Astronomische Instrumente des 11. bis 18. Jahrhunderts (Munich, 1956), 117–22.
