TY - GEN DA - 1920 ID - 10338 JF - Papers On Engineering Subject L1 - https://library.imarest.org/record/10338/files/v1b01p02.pdf L2 - https://library.imarest.org/record/10338/files/v1b01p02.pdf L4 - https://library.imarest.org/record/10338/files/v1b01p02.pdf LK - https://library.imarest.org/record/10338/files/v1b01p02.pdf PY - 1920 T1 - Recent Modifictaions in Boiler Design TI - Recent Modifictaions in Boiler Design UR - https://library.imarest.org/record/10338/files/v1b01p02.pdf VL - 1 Y1 - 1920 ER -