(DIR) .. (DOC) boiler_accessories_1909.pdf 2022-Feb-20 21:51 5.4 MB (DOC) boiler_and_furnace_testing_1918.pdf 2022-Feb-20 21:50 1.1 MB (DOC) boiler_draught_1911.pdf 2022-Feb-20 21:51 2.1 MB (DOC) boiler_maker_1923.pdf 2022-Feb-20 21:50 40.9 MB (DOC) boiler_waters-scale_corrosion_foami 2022-Feb-20 21:50 17.2 MB (DOC) engine_tests_and_boiler_efficiencie 2022-Feb-20 21:51 12.5 MB (DOC) kitchen_boiler_connections_1894.pdf 2022-Feb-20 21:50 5.7 MB (DOC) laying_out_for_boiler_makers_1907.p 2022-Feb-20 21:51 15.5 MB (DOC) sextons_boiler_makers_pocket_book_1 2022-Feb-20 21:51 9.6 MB (DOC) steam_boiler_explosions_1873.pdf 2022-Feb-20 21:50 6.6 MB (DOC) steam_making_or_boiler_practice_188 2022-Feb-20 21:50 12.0 MB (DOC) the_boiler_1908.pdf 2022-Feb-20 21:51 4.7 MB (DOC) the_steam_boiler_catechism_1888.pdf 2022-Feb-20 21:51 8.5 MB