Books by Skip Penny
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-20%
Design Considerations for Space Elevator Tether Climbers
Peter Swan, Robert "Skip" Penny, Cathy Swan
€15.68
€19.60
-20% with code BOOKS
In stock at our supplier
-20%
Space Elevator Survivability Space Debris Mitigation
Peter Swan, Robert "Skip" Penny, Cathy Swan
€10.02
€12.53
-20% with code BOOKS
In stock at our supplier
-20%
Design Characteristics of a Space Elevator Earth Port
Jr. Robert E. 'Skip' Penny, Vern Hall, Peter N. Glaskowsky
€14.20
€17.75
-20% with code BOOKS
In stock at our supplier
-20%
Space Elevator Concept of Operations
Peter Swan, Skip Penny, Cathy Swan
€8.50
€10.63
-20% with code BOOKS
In stock at our supplier