fortunate enough to survive the next decade.

* * * * *


SUCCESS OF THE ELEVATED RAILWAYS, NEW YORK.

The travel over the elevated steam street railways of New York city
for month of October, 1881, was the heaviest yet recorded, aggregating
7,121,961 passengers, as against 5,881,474, for the corresponding
month of 1880, an increase of 1,240,487, representing just about the
entire population of the city.

* * * * *




HEDGES' ELECTRIC LAMPS.


We illustrate a very curious and interesting form of electric
regulator which is exhibited in the Paris Exhibition of Electricity by
Mr. Killingworth Hedges, whose name will be known to our readers as
the author of a little book on the electric light. Mr. Hedges' lamp
belongs to the same category of electric regulators as the lamp of M.
Rapieff, and to one form of M. Reynier's lamp, that is to say, the
position of the ends of the carbons, and therefore of the arc, is
determined not by clockwork or similar controlling mechanism, but by
the locus of the geometrical intersection of the axes of the carbon