TY - GEN DA - 1921 ID - 10361 JF - Papers On Engineering Subject L1 - https://library.imarest.org/record/10361/files/v1b02p13.pdf L2 - https://library.imarest.org/record/10361/files/v1b02p13.pdf L4 - https://library.imarest.org/record/10361/files/v1b02p13.pdf LK - https://library.imarest.org/record/10361/files/v1b02p13.pdf PY - 1921 T1 - Repair to an L.P. Cylinder of a Trawler TI - Repair to an L.P. Cylinder of a Trawler UR - https://library.imarest.org/record/10361/files/v1b02p13.pdf VL - 1 Y1 - 1921 ER -