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Diamond Tool and Horseshoe - Company History & Lore
Today we're checking out the history of Diamond Tools.
From their beginnings manufacturing horseshoe calks, to a pivot into making hand tools, Diamond was at one time the largest family owned tool company in
the world.
What happened to them, and are there any remnants left today?
Moar History:
http://alloy-artifacts.org/diamond-calk-horseshoe.html
https://swanstromtools.com/about/history/
Otto Swanstrom Bios:
https://fultonhistory.com/highlighter/highlight-for-xml?altUrl=https%3A%2F%2Ffultonhistory.com%2FNewspapers%252021%2FDuluth%2520MN%2520Rip%2520Saw%2FDuluth%2520MN%2520Rip%2520Saw%25201917%2FDuluth%2520MN%2520Rip%2520Saw%25201917%252011-10_0072.pdf
https://www.google.com/books/edition/Duluth_and_St_Louis_County_Minnesota_The/yUAVAAAAYAAJ?hl=en&gbpv=1&pg=PA786
Old Catalogs:
https://archive.org/search?query=creator%3A%22Diamond+Calk+Horseshoe+Co.%22
https://archive.org/search?query=creator%3A%22Diamond+Tool+and+Horseshoe+Co.%22
Patents:
https://patents.google.com/?assignee=DIAMOND+HORSESHOE+CO
https://patents.google.com/?assignee=DIAMOND+TOOL+AND+HORSESHOE+CO.+A+CORP.+OF
1918 Hard Calk Ads:
https://www.google.com/books/edition/American_Blacksmith_Auto_and_Tractor_Sho/tA9aAAAAYAAJ?hl=en&gbpv=1&pg=RA1-PA45
1923 Toronto Plant Opens:
https://www.google.com/books/edition/Associated_Automotive_Journal_and_Garage/H_5BBMGfOBcC?hl=en&gbpv=1&pg=RA11-PT1
https://skritch.blogspot.com/2011/06/hw-petrie-ltd-machinery-diamond-calk.html
1934 Steel Industry Investigation:
https://books.google.com/books?id=RXNVE15F2vYC
Duluth Plant Closure Protest Photos:
https://www.perfectduluthday.com/2018/03/18/mystery-photo-65-diamonds-are-forever-except-in-duluth
Duluth Plant Closure Investigation:
https://www.google.com/books/edition/Grand_Designs/LRSbDwAAQBAJ?hl=en&gbpv=1&dq=triangle+diamond+horseshoe+tools&pg=PA132
2015 Kerckhaert Acquires Farrier Div:
https://hoofcare.blogspot.com/2015/07/kerckhaert-acquires-diamond-brand-tools-horseshoes.html
https://kerckhaert.com/diamond
Chapters:
00:00 Intro
00:45 All About Calks
01:49 Otto faces Setbacks
04:07 A Successful Company
04:58 Tools and Contract Manufacturing
05:57 Diamond Canada
06:44 Diamond Innovations
09:26 Triangle Corp Does it's Thing
11:57 What Remnants of Diamond Remain?
12:56 Outro
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