Siemens. 
mi. Trans. 1876 . Plate 65 , 
HORIZONTAL ATTRACTION METER 
PLAN &. SECTION. 
tx. Reservoirs filbedv with/ mercury to | C. G-louss tube connecting reservoirs 
Level ot j cured/ alcohol, above that Level. above, 
b. Cross tabes c o nnectung reservoirs d. Index. Air bubble, 
below. II e. Scale. 
f. Levelling screws . 
W.Wesfc £ C? litH, 
