I assume the materials you used are the exact materials that Keely used in his prototype model. Did you find it difficult to obtain the same materials or did you differ in the composition in any way?
A13) This is a complex question to answer. In brief, yes we used basically the same materials. It did take some time to locate certain items. We used what was specified and as close as we could come to those specs – all things considered. Variation was only allowed when approved or when we had no other choice.
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