Improvements in or relating to furnace fronts for furnaces, boilers, stoves or the like
GB653786A
Improvements in or relating to furnace fronts for furnaces, boilers, stoves or the like
GB645229A
Improvements in or relating to oil-burning installations
GB629636A
Improvements in or relating to liquid fuel burners
GB512651A
Improvements in tank cleaning appliances
GB512656A
Improvements in tank cleaning appliances
GB437258A
Improvements in or relating to furnaces
GB387253A
Improvements in or relating to liquid fuel burners
GB375132A
Improvements in tubular heat exchangers for use in oil fuel installations and applicable also for use as feed water heaters, evaporators, condensers and coolers
DE584711C
Scraper device for cleaning the cooling or heating pipes in heat exchangers