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1. Harlu Early 1900's. Hämekoski. Factory 256.21 Kb, 1001×551 © E.M.Andersen Tags… Factories [691] Hämekoski [311] 2. Harlu Mid 1900's. Leppäkoski hydroelectric power plant 230.72 Kb, 658×495 Tags… Factories [691] Hydroelectric power plants [858] Leppäkoski [346] Leppäkoski hydroelectric power plant [195] 3. Harlu 1907. Läskelä factory 530.48 Kb, 1105×740 © August Lindgren Tags… Factories [691] Hydroelectric power plants [858] Läskelä [934] 4. Harlu 1909. Läskelä factory 164.54 Kb, 609×512 © August Lindgren Tags… Factories [691] Hydroelectric power plants [858] Läskelä [934]