Mechanical Advantage: Tools for the Wild Vertical

Home
Archive
About
USA adoption of pitons 1920s-1939 (part B) East Coast USA 1927-1933 (continuing mechanical advantage series by john middendorf)
Mechanical Advantage Series by John Middendorf aka Bigwall Scrapbook
2
USA Adoption of pitons 1920-1939. Mechanical Advantage series (USA partC) by John Middendorf
2
The development of big wall tools and techniques by John Middendorf IV
1

Most popular

3
2
2
6
2
See all popular
NewCommunity
Mechanical Advantage series by John Middendorf
2
Mechanical Advantage Series by John Middendorf
3
Mechanical Advantage Big Wall series by John Middendorf
6
Mechanical Advantage Big Wall series by John Middendorf
Mechanical Advantage series by John Middendorf
Mechanical Advantage Series by John Middendorf
1
addendum and notes about PDF
2
big wall climber
5
See all

Most popular

3
2
2
6
2
See all popular

Mechanical Advantage: Tools for the Wild Vertical

The history of engineered tools for climbing and alpinism. (Looking for D4 portaledges? See bigwalls.net)
main
BigWalls main page
Original Mechanical Advantage posted on bigwalls.net
Mechanical Advantage published in Ascent

Mechanical Advantage: Tools for the Wild Vertical

AboutArchiveRecommendationsSitemap
© 2023 John Middendorf
Privacy ∙ Terms ∙ Collection notice
Start WritingGet the app
Substack is the home for great writing