* * * * *




RAILWAY APPARATUS AT THE PARIS ELECTRICAL EXHIBITION.


[Illustration: Fig. 1.--Lartigue's Switch Controller Fig.
2--Transverse Section Fig. 3--Longitudinal Section Fig. 4.--Position
of the Commutators during the Manuever Fig. 5.--Pedal for Sending
Warning to Railway Crossing--Elevation. Fig. 7.--End View.

Fig. 8.--Electric Alarm. Fig. 12.--Guggemos's Correspondence
Apparatus--External View. Fig. 13.--Interior of the Same. Fig.
14.--Annunciator Apparatus. Fig. 15.--Controller for Water Tanks
(Lartigue System).

RAILWAY APPARATUS AT THE PARIS ELECTRICAL EXHIBITION.]

[Illustration: Fig. 6.--Pedal for Sending Warning to Railway
Crossing--Plan View. Fig. 9.--Lartigue's Bellows Pedal--Longitundinal
Section Fig. 10.--General Plan.

Fig. 16.--Controller for Water Tanks (Vérité System). RAILWAY
APPARATUS AT THE PARIS ELECTRICAL EXHIBITION.]

_Lartigue's Switch Controller._--The object of this apparatus is to
warn the switch tender in case the switch does not entirely respond to