Coalville Times | 1901-01-04 | Page 3 | The Greatest Engineering Feat

The Greatest Engineering Peat Ti driving of tho Oreat Northern rallwy tunasl through two and a half tnllei of solid granite In the f'asca lo ranfi,oomountaln I" one ' tlln mu notahleeVjjiniietlng f' ot luo ''"'' tury, Storing waa started at each end toward the tenter, and so accurals . 'task i were the engineer's calculations that at the meeting point the difference ot alignment was scarcely ono Inch. This cutting tnrom refractory material waa oc0Billia))ud In 45 months by 800 men, opiratlns 3 compressed air diltls.