Complex sentence: Falk & Partners agreed to finance the design on condition that they got a positive independent engineering report on the feasibility of Whittle's design and paid for a study by Mogens L. Bramson, an independent aeronautical consultant.
Split into simpler sentences: Falk & Partners agreed to finance the design on condition that they got a positive independent engineering report on the feasibility of Whittle's design. They paid for a study by Mogens L. Bramson, an independent aeronautical consultant.