H
Habitatges unifamiliars  [1]
Habitatges unifamiliars -- Projectes  [1]
Harvesting machinery -- Equipment and supplies  [1]
Hea t--Transmission  [1]
Heat recovery  [1]
Heat storage  [1]
Heat-engines -- Computer simulation  [1]
Heavy metals -- Separation  [1]
Hidroponia -- Catalunya -- Caldes de Malavella  [1]
hivernacles -- Catalunya -- Caldes de Malavella  [1]
Hoisting machinery -- Design and construction  [1]
Horses -- Equipment and supplies -- Design and construction  [1]
Hot-water supply  [1]
Housing, Single family  [1]
Housing, Single family -- Designs and plans  [1]
Hydraulic engineering  [2]
Hydraulic machinery -- Design and construction  [1]
Hydraulic turbines  [4]
Hydroponics -- Catalonia -- Caldes de Malavella  [1]