Complex sentence: Ninety Class 25 condensing locomotives were built as part of the same order, one by Henschel and the rest by NBL, with the condensing apparatus for the engine and the condensing tender designed and patented by Henschel.
Split into simpler sentences: Ninety Class 25 condensing locomotives were built as part of the same order, one by Henschel and the rest by NBL. The condensing apparatus for the engine and the condensing tender was designed and patented by Henschel.