An iron or steel plate to he attached to a rail for the pnrpose ot guldlng to their place on the rail wheels thrown ofT the track. Pub. St Mass. 1882, p. 1291
An iron or steel plate to he attached to a rail for the pnrpose ot guldlng to their place on the rail wheels thrown ofT the track. Pub. St Mass. 1882, p. 1291