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APPENDIX 11. 



INSTRUMENTS USED IN THE EXPEDITION TO 

 ASHANGO-LAND. 



First Supply. {From Mr. Potter, successor to Cary.^ 



1 Aneroid, brass, in morocco case, 2 inches in diameter, registering 



from 1 5. to 31 inches. 



2 Compasses, prismatic, with stand, shades, and reflector, 3 inches 



diameter (Singer's patent). 

 2 Compasses, pocket (Singer's patent), Ij inches diameter. 

 Drawing instruments, one set in German silvei', in case, 6 inches 



by 9^ inches. 

 Drawing pins, 2 dozen. 

 2 Horizons Artificial, folding roof, improved iron trough and 



bottle, in sling case. 

 Hypsometrical Apparatus, viz. : — 



BuU's-eye lantern, copper boiler, 3 reservoirs for spirits, oil, 



or candle. 

 3 Thermometers for heights by boiling water, marked to 



215°, in brass case. 

 2 Thermometers, thermal or sun, marked to 230°, in brass 



case. 

 2 Thermometers, graduated for Fahrenheit and Centigrade. 

 1 Thermometer, graduated for Centigrade and Eeaumur. 



Magnetic-electro machine, with 90 feet of cord or conducting 



wire. 

 2 Magnifiers, or reading glasses, large size. 

 Mercury, 7 lbs. in stone bottle, as reserve supply. 

 Parallel-ruler, Acland's pattern, 18 inches. 



