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1915-1923 Parts Manual by Douglas for 4hp 1915-23 4 hp 4-hp. 65 pages.
Price: $30.95
Vehicle Manufacturer:
Douglas Bikes
Partial List of Models Covered:
4 4
Years:
1915 -
1923
Book Type:
Part Manual
ID:
18_DO15_23P
Book Description
1915-1923 Parts Manual by Douglas for 4hp 1915-23 4 hp 4-hp. 65 pages.
Book Type Description
A Parts Manual was originally used by a dealership's parts department to identify every component of a vehicle down to each nut, bolt, and washer, along with its illustration and corresponding part number. Today, it is valued primarily for its many detailed illustrations. Post-war parts manuals are typically highly detailed and extensively illustrated while pre-war manuals tend to be less-so.