Surveying
1882-1887
Combined Abney level and clinometer, brass, by S. Henson, 277 Strand, London, England, 1882-1887.
c. 1825
Small level with compass by G Davis, Leeds, in fair, part broken condition, with pieces, in mahogany case, c 1825
1862-1900
Clitograph, 2nd category, in original wooden box (paper instructions mounted into lid), by J. Lefebvre, Paris, 1862-1900.
1928
Level No. II by Carl Zeiss Jena, Germany, c. 1928, no. 22050. With key and tool accessories including screw driver. Supplied by Carl Zeiss (London) Ltd.
1875-1885
Combined Abney type surveying level and clinometer by Cary & Co., London, 1875-85.
1860-1910
Level and angle indicators, in wooden sighting case, by Fletcher and Sinclair, 62 Duke Street, Liverpool, 1860-1910
1970-1975
Level by Cooke Troughton and Simms Ltd of York, numbered SO33908
1700-1799
Optical balance level, after a type used in the 17th Century, British, 1700-1799
1862
Lefebvre clitograph level fixed inside box lid. Instructions on clitograph in French. Paper instruction leaflet in English. As patented 1862.
Clitograph, 3rd category (made for the English market) by J. Lefebvre, Paris, France,1862-1900
1830-1870
Miner's level, by W. & S. Jones, mid 19th century
1874
Compensation level, 1-inch apparatus, by F. W. Breithaupt & Son, Kassel, Germany, 1874. With three loose feet pads for the tripod.
Abney level with clinometer by Elliott Brothers, 449 Strand, London, England, c. 1880.
1851-1856
Abney type level and clinometer, by Newton & Co., 3 Fleet Street, London, England, with fitted leather and cardboard case, 1851-1856
