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direct charge of W. A. Duff, the assistant chief engineer.
The damage to the railway property is estimated as follows:
Structures in Halifax, piers, buildings, tracks, machinery, power, telegraph lines and signals......$751,600
Structures in Dartmouth (across the harbor).........................................................................................................52,700
Rolling stock.....................................................................................................................................................................178,000
Commissary stores...........................................................................................................................................................17,700
Steamer.................................................................................................................................................................................70,000
Miscellaneous costs, operating department, labor, relief trains, supplies, etc., in cleaning up
and relief work......................................................................................................................................................155,000
Total.................................................................................................................................................................$1,225,000
Such warehouse and dock space as was lost in Richmond will be duplicated in restoring it at the south end. Work has been underway since the explosion, and is now practically complete so far as the lost warehouse space is concerned, two warehouses having been erected on the shore end of Pier A. The remainder of the damaged structures have been pretty well restored at this time, some four months after the explosion. Tenders for the South End passenger station have been taken, but the work has not been contracted for to date.

Frictionless Side Bearings and Coal Conservation
By A. M. Engineer
TO DETERMINE THE VALUE of frictionless side bearings ni a practical way the Union Railroad recently made a unique test in which no outside factor was permitted to come into play. It was decided to use the same car, the same load and the same curve in all the tests and to use only gravity in starting the car.
An old car, loaded with ore, was taken from the yard. It was equipped with a frictionless side bearing, which the railroad had adopted some years ago as its standard. It
[figure]
[caption]Track Over Which Side Bearing Test Was Made[caption]
was taken to Gascola and run over a curved track as indicated in the illustration. The approach