TY  - JOUR
PY  - 1877//
TI  - On the mechanical appliances used in the construction of the heading under the severn, for the severn tunnel railway
JO  - Proceedings of the institution of mechanical engineers
A1  - Geach, John J.
SP  - 206
EP  - 220
VL  - 28
IS  - 1
N2  - <p>[Abstract unavailable]</p> 
LA  - en
SN  - 0020-3483
UR  - http://dx.doi.org/10.1243/PIME_PROC_1877_028_017_02
ID  - ref1
ER  -