11. BIRD’S METHOD OF CONSTRUCTING MURAL QUADRANTS. London, 1768. 4to. 2s. 6d.
12. —— METHOD OF DIVIDING ASTRONOMICAL INSTRUMENTS. London, 1767. 4to. 2s. 6d.
13. COOK, KING, AND BAYLY’S ASTRONOMICAL OBSERVATIONS London, 1782. 4to. 21s.
14. EDWARDS ON THE COMPOSITION OF METALS FOR REFLECTING TELESCOPES. 8vo. 2s. 6d.
15. EIFFE’S ACCOUNT OF IMPROVEMENTS IN CHRONOMETERS. 4to. 2s.
16. ENCKE’S BERLINER JAHRBUCH, for 1830. Berlin, 1828. 8vo. 9s.
17. GROOMBRIDGE’S CATALOGUE OF CIRCUMPOLAR STARS. 4to. 10s.
18. HARRISON’S PRINCIPLES OF HIS TIME-KEEPER. Plates. 1767. 4to. 5s.
19. HUTTON’S TABLES OF THE PRODUCTS AND POWERS OF NUMBERS. 1781. Folio. 7s. 6d.
20. LAX’S TABLES FOR FINDING THE LATITUDE AND LONGITUDE. 1821. 8vo. 10s.