The Diamond Calk Horseshoe Company of Duluth, Minnesota, USA was founded in 1908 by blacksmith Otto Swanstrom.
Initially manufacturing horseshoes with a special type of calk to improve the animals' foothold on slippery surfaces, the company successfully adapted to the development of motorised transport for the masses and produced a range of adjustable wrenches and pliers from the 1920s. The family-owned company was sold to the Triangle Corporation in 1981; Triangle itself was eventually sold to Cooper Tools. [1]
In 1994, the last workers vacated. The building was demolished in 1996.
An adjustable spanner, shifting spanner, English wrench (Turkey) or adjustable wrench is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head rather than just one fastener size, as with a conventional fixed spanner.
Duluth is a port city in the U.S. state of Minnesota and the county seat of St. Louis County. Located on Lake Superior in Minnesota's Arrowhead Region, the city is a hub for cargo shipping. Commodities shipped from the Port of Duluth include coal, iron ore, grain, limestone, cement, salt, wood pulp, steel coil, and wind turbine components. Duluth is south of the Iron Range and the Boundary Waters Canoe Area Wilderness.
A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning.
The Duluth Eskimos were a professional football team from Duluth, Minnesota in the National Football League (NFL). After spending most of their time as a traveling team, they withdrew from the league after the 1927 season.
A monkey wrench is a type of smooth-jawed adjustable wrench, a 19th century American refinement of 18th-century English coach wrenches. It was widely used in the 19th and early 20th century. It is of interest as an antique among tool collectors and is still occasionally used in practice.
Craftsman is a line of tools, lawn and garden equipment, and work wear. Originally a house brand established by Sears, the brand is now owned by Stanley Black & Decker.
The Duluth, Missabe and Iron Range Railway (DM&IR), informally known as the Missabe Road, was a railroad operating in northern Minnesota and Wisconsin that used to haul iron ore and later taconite to the Great Lakes ports of Duluth and Two Harbors, Minnesota. Control of the railway was acquired on May 10, 2004, by the Canadian National Railway (CN) when it purchased the assets of Great Lakes Transportation.
AMSOIL Inc. is an American corporation based in Superior, Wisconsin that primarily formulates and packages synthetic lubricants, fuel additives, and filters. Company founder Albert J. Amatuzio developed several synthetic motor oil formulations throughout the mid-to-late 1960s. He was commercially selling synthetic motor oil by 1968. In 1972, AMSOIL 10W-40 Synthetic Motor Oil became the world's first synthetic motor oil to meet American Petroleum Institute requirements, which prompted the company to adopt "The First in Synthetics®" as its tagline. The company introduced several other synthetic lubricants that represented industry firsts throughout the 1970s and early 1980s. It distributes products in North America via a network of independent dealers paid commissions on sales.
A Duluth pack, is a traditional portage pack used in canoe travel, particularly in the Boundary Waters region of northern Minnesota and the Quetico Provincial Park of Ontario. It is a specialized type of backpack that is designed to fit in the bottom of canoes. Originally known as the "Poirier pack" or "Poirier pack-sack", the pack style later became known as the "Duluth pack", as its original, eponymous manufacturing company is located in Duluth, Minnesota.
Morgan Park is a neighborhood in Duluth, Minnesota, United States.
Park Tool Company is an American designer, manufacturer and marketer of bicycle tools and equipment for both professional and home bicycle mechanics. It manufactures about 4000 products.
A caulkin is a blunt projection on a horseshoe or oxshoe that is often forged, welded or brazed onto the shoe. The term may also refer to traction devices screwed into the bottom of a horseshoe, also commonly called shoe studs or screw-in calks. These are usually a blunt spiked cleat, usually placed at the sides of the shoe.
Klein Tools, Inc. is an American company based in Lincolnshire, IL that manufactures hand tools. The company is known for its popularity with workers in the electrical and telecommunications industries. Lineman's pliers in the past were often called "Kleins," an example of a genericized trademark.
Husky is a line of hand tools, pneumatic tools, and tool storage products. Though founded in 1924, it is now best known as the house brand of The Home Depot, where it is exclusively sold. Its hand tools are manufactured for Home Depot by Western Forge, Apex Tool Group, and Iron Bridge Tools. Its slogan is "The toughest name in tools." Home Depot also carries a higher end line of tools marked Husky Pro.
Channellock is an American company that produces hand tools. It is best known for its pliers—the company manufactures more than 75 types and sizes of pliers—particularly its eponymous style of tongue-and-groove, slip-joint pliers. Its pliers have distinctive sky-blue handle grips; the company has been using the same trademarked shade of blue since 1956.
Crescent is a brand of hand tools. It originated with the Crescent Tool Company, founded in 1907. The Crescent brand has changed ownership multiple times. It is currently owned by Apex Tool Group, LLC of Sparks, Maryland as part of its Hand Tools division. It is best known for its style of adjustable wrench.
Western Forge was an American manufacturing company. The company manufactured hand tools that were sold under other brands, including private-label brands such as Craftsman and Husky. It was a subsidiary of Ideal Industries.
Coes Wrench Company was a tool manufacturing company based in Worcester, Massachusetts. The company was originally part of the L. and A. G. Coes & Co.
Super One Foods is an American supermarket chain, with 32 locations in Minnesota, Wisconsin, and the Upper Peninsula of Michigan. The chain is owned and operated by Miner's, Inc., a privately held company. A small number of the stores in the chain are branded as U-Save Foods, and a Duluth store is named Woodland Marketplace.
A hex key is a simple driver for bolts or screws that have heads with internal hexagonal recesses (sockets).
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