Cargo and ballast pumps being parts of installations used in ships; blowing machinery for compression, exhaustion and transport of gasses, vapours and liquids; compressors (machinery); feeding apparatus for vapourisers and for the transmission of liquids; installations included in class 7 for feeding boilers; internal combustion engines included in class 7; motors operated by water pressure and steam engines, none being for land vehicle propulsion; valves and condensers, all for air, steam and for fluids, all included in class 7; strainers being parts of condensers; ejectors for air, steam and for fluids, and steam jets, all being machines or parts of machines; pressure regulators and valves, all for controlling materials flowing through pipes; condensing systems and heat-exchangers, all being parts of machines; turbines; and parts and fittings included in class 7 for all the aforesaid goods,

Scientific and electrical apparatus and instruments, valves and pressure regulators, all included in class 9; nautical, surveying, weighing apparatus and instruments; electrical condensers, thermostats and thermostatic switches; and photographic filters,

Tanks of metal for liquids; parts and fittings therefor, metal pipes and metal tubes, all included in class 6,

Ventialting installations; ventilating apparatus; taps and metal cocks, all included in class 11; heat exchangers (not being parts of machinery); vacuum filters (not for scientific purposes and not being parts of engines, of motors or of machines),