Ken Robertson

Crossing Duwamish By Ken Robertson
A brief history of the Northern Pacific Duwamish Lift Bridge, in West Seattle, followed by a discussion of the construction and weathering of the Walthers Bascule Bridge kit (933-3070).
  1. Design, engineering and operation of Railway/Railroad Bascule Bridges in the early 1900’s (with 2 minute video) PowerPoint Presentation
  2. Building the Walthers Bascule Bridge kit with modifications to improve its operation
  3. Weathering the finished kit with Pan Pastels to resemble the Northern Pacific Lift Bridge over the Duwamish Canal near Boeing Field in West Seattle.

click photo to enlarge