52 ASTRONOMY 



5269 Whitelaw, J. Surveying. Lond. 1902, 



5269 Wilson, H. M. Topographic surveying. 



New York 1908, 



5269(42) Ordnance survey. Methods adopted for the produc- 

 tion of maps of the United Kingdom. Lond. 1902, 



5269(54) India trigonometrical survey. Account of operations. 

 Vol. l-> Dehra Dun 1870-> 



5269(68) South Africa geodetic survey. Eeport. Vol. l-> 



Cape Town 1896-* 



52691 Flemer, J. A. Photomicrographic methods and instru- 

 ments. New York 1906. 



52698 Reed, H. A. Topographical drawing and sketching, 

 2 vols. New York 1895. 



52699 Lockyer, Sir J. N. Surveying for archaeologists. 



Lond. 1909, 



527 NAVIGATION. 



527 Hall, W. Modern navigation. Lond. 1904, 



528 EPHEMERIDES. 



528 B.L. Bureau des longitudes. Annuaire. 1829-54, 1865-> 



Paris 1828- 



5280.1. Connaissance des temps. 1849, 1860-> Paris 1846-> 

 528 N.A. Nautical almanac. 1767-> Lond. 1766-> 



529 CHRONOLOGY. 



52902 Qinzel, F. K. Handbuch der mathematischen und 

 technischen Chronologie. 3 vols. Leip. 1906-14. 



<?/j Lockyer, Sir J. N. Stonehenge and other British stone 



(4231) monuments astronomically considered. 



Lond. 1909, 



52904 Nilsson, M. P. Primitive time-reckoning. Lund 1920. 

 52904 Philip, A. Improvement of the Gregorian calendar. 



Lond. 1918. 



5297 Benson, J. W. Time and time tellers. Lond. 1902. 



5297 Cunynghame, H. H. S. Time and clocks. Lond. 1909. 



52978 Qatty, Mrs. A. Book of sundials. Lond. 1890, 



74 





