Mechanical Advantage: Tools for the Wild Vertical

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Mechanical Advantage PDFs now online, and print version available.
Mechanical Advantage: Tools for the Wild Vertical Volume 1 & 2 complete.
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John Middendorf
Next for Volume 3 (aluminum carabiners, nylon ropes)
Tools for the Wild Vertical, Volume 2 finale
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John Middendorf
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1950s USA Climbing Gear notes V2
Mechanical Advantage series by John Middendorf for Volume 3
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Zion Climbing in the 1930s
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First carabiners for climbing-summary.
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State of the Art Climbing Gear, 1964
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2
USA adoption of pitons 1920s-1939 Colorado (part A) Ellingwood and Lavender
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Climbing Tools and Techniques—1908 to 1939 (Europe, PartA) Myths and Legends
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INDEX to Mechanical Advantage series
The development of big wall tools and techniques by John Middendorf IV
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Big Wall Bivouacs and "camping" part2a
draft Tools for the Wild Vertical, end of Volume 2
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Ice Tool Developments and Innovations (brief)
sidebar for Tools for the Wild Vertical draft by John Middendorf
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Big Wall Bivouacs and "camping" part1
Tools for the Wild Vertical by John Middendorf
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John Middendorf
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A Piece of Unbent Iron--Shiprock v2
Draft for Tools for the Wild Vertical by John Middendorf, Mechanical Advantage series.
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John Middendorf
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Zion Climbing in the 1930s
Mechanical Advantage: Tools for the Wild Vertical draft for Volume 2
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The envisioning of pitons, USA 1920s (Miriam O’Brien)
USA adoption of pitons 1920s-1939 (part B) East Coast USA 1927-1933 (continuing mechanical advantage series by john middendorf)
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Mechanical Advantage: Tools for the Wild Vertical
Mechanical Advantage: Tools for the Wild Vertical
The history of engineered tools for climbing and alpinism. (Looking for D4 portaledges? See bigwalls.net)
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Mechanical Advantage: Tools for the Wild Vertical

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