. Tourillon de chemin de fer électrique . errer le sectionneur. Cette clé peut être retirée lorsque le commutateur est ouvert et que l'opérateur le porte, Qui est alors certain que personne ne fermera le commutateur pendant qu'il travaille sur des lignes ou des appareils sur le circuit contrôlé par cette unité.l'intérieur du compartiment du commutateur est inaccessible pendant que le commutateur est fermé et le réservoir d'huile ne peut pas beremoved tant que le commutateur de déconnexion ou le disjoncteur d'huile est actif. Première usine de traitement des ligatures au Missouri la photographie reproduite ci-dessous montre une usine de traitement des ligatures ouvertes utilisée pour le traitement des ligaties10 000 ligatures

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. Electric railway journal . erate the disconnectingswitch. This key can be removed when the switch isopen and carried by the operator, who then is assuredthat no one will close the switch while he is working onlines or apparatus on the circuit controlled by this unit.The interior of the switch compartment is inaccessiblewhile the switch is closed and the oil tank cannot beremoved while the disconnecting switch or oil circuitbreaker is alive. First Tie-Treating Plant in Missouri The photograph reproduced below shows an open-tanktie-treating plant in use in the operation of treating10, 000 ties for the East St. Louis & Suburban Railway.The tank is 10 ft. x 14 ft. in size and the plant is said OAK TIES UNDER TREATMENT FOR EAST ST. LOUIS &SUBURBAN RAILWAY to be the first tie-treating plant ever established in theState of Missouri. C-A wood preserver is being used.The plant is operated by Charles B. Kerry & Company, the contractor for the ties, and, the ties under treatmentare of well-seasoned Missouri oak.. November 23, 1918 Electric Railway Journal 929 New Universal Type of Milk Ticket THE Illinois Traction System is using a new formof milk ticket intended to overcome the difficultyof furnishing milk tickets from any road crossing stopto the destination of the milk shipment. Obviously it would be almost im-possible to carry asupply of printeddestination ticketscovering all require-ments. The newform of ticket is des-ignated as the Pot-ter Universal milkticket and it is is-sued by means of thePotter ticket boxcutter illustrated anddescribed in theElectric RailwayJournal for Feb. 9, 1918, page 286. Thetickets are notchedat three points to in-dicate (1) whethermilk or cream is be-ing carried, (2) thecapacity in numberof gallons and (3)the distance that thecan is to be transported. The three adjustable points andcutting edge of the cutter enable tickets to be issued veryrapidly with but one operation. This scheme, the universal type milk ticket, with whichthe Illinois Tracti

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