"Giant Shovel on I-70"Ohio Strip Mine Fight: 1973 | The ...

Surface mining existed as well, but it wasn't until the big shovels came on in the 1940s and 1950s that strip mining began to take a larger portion of the state's annual coal production. Generally it is economic to strip mine when there is a 20:1 ratio of overburden-to-coal seam, meaning, for example that a three-foot coal seam can be ...

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Coal Miners 1950s High Resolution Stock Photography and ...

10%Monktonhall was one of the Scottish super pits sunk in the 1950's intended to supply the new generation of Power stations. They were the most modern and well equipped mines in the country.They were sunk to deeper levels and mostly had to deal with challenging mining conditions at deeper levels than the previous generation of mines.

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Photographs | Arizona Geological Survey Mining Data

Photographs. Abe Lincoln 2-2. Abe Lincoln 2-3. Abe Lincoln 2-4. Abe Lincoln 2-5. Abe Lincoln 2-6. Abe Lincoln 2-7. Abe Lincoln 2-8. Abe Reed 1-2.

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Agriculture and Farm Machinery Over the Years

Updated February 07, 2021. Farming and farm machinery have evolved greatly over the years. The threshing machine has given way to the combine, usually a self-propelled unit that either picks up windrowed grain or cuts and threshes it in one step. The grain binder has been replaced by the swather, which cuts the grain and lays it on the ground ...

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Brother Group History Foundation-1940s | Brother

1950s. 1960s. 1970s. 1980s. 1990s. 2000s. 2010s. The beginning of the Brother Group dates back to 1908, when Kanekichi Yasui established a sewing machine repair business. Subsequently, Kanekichi's son, Masayoshi, took over the family business and began to develop a great ambition to manufacture sewing machines domestically within Japan to ...

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The History of Farmall Tractors: 1940-1954 - Grit | Rural ...

Competition seemed futile. sold $230 million ($3 billion today) in equipment in 1945, compared to IHC's $35 million ($460 million today). had a postwar advantage from GI heavy-equipment operators who learned 's machines and told their peacetime bosses what to order. To McCaffrey, made a big target.

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Photo Index - Sorted by Manufacturer | VintageMachinery.org

PLEASE NOTE: VintageMachinery.org was founded as a public service to amateur and professional woodworkers who enjoy using and/or restoring vintage machinery. Our purpose is to provide information about vintage machinery that is generally difficult to locate. VintageMachinery.org does not provide support or parts for any machines on this site nor do we represent any manufacturer listed on this ...

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Construction Classic: 1940s Euclid R24 And NW Engineering ...

Construction Classic: 1940s Euclid R24 And NW Engineering Crane – Quite A Pair. By. Tom Klockau. – Posted on June 29, 2016. (first posted 10/23/2012) Time for something a little different. These retired workhorses have been part of the scenery in front of a quarry near Blackhawk State Park for years, but I rarely get out to this part of ...

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History of Workplace Safety in the United States, 1880-1970

The one source of danger that did decline was mine explosions, which diminished in response to technologies developed by the Bureau of Mines. Ironically, however, in 1940 six disastrous blasts that killed 276 men finally led to federal mine inspection in 1941. 16. Table 4 Work Injury Rates, Manufacturing and Coal Mining, 1926-1970 (Per Million ...

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Gold Rush: 1848–1860: Mining Techniques | Picture This

A study of the mining techniques used during the California Gold Rush reveals more than just information of how to extract gold from the earth. The various types of mining techniques also show the cultural melting pot that was then and is now California and they reveal the myth behind the history of …

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Vintage Machinery and Vehicles - Ray Dunakin

During my many trips exploring old ghost towns, mines and historic sites, I've photographed a lot of old machinery, vehicles and equipment. Some of these can be seen among my ghost town photos. But I decided to dedicate separate pages for many of these relics, to make them easier to find.

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History of American Agriculture: Farm Machinery and Technology

1940s and 1950s—Acreages of crops, such as oats, required for horse and mule feed dropped sharply as farms used more tractors 1940—One farmer supplied 10.7 persons in the United States and abroad; 1940—58% of all farms had cars, 25% had telephones, 33% had electricity; 1941–1945— Frozen foods popularized

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e-WV | Coal Mine Mechanization

By the 1950s, the roof-bolter, or pinner, replaced the timbering system, clearing passageways and eliminating obstacles to the movement of machinery. The continuous-mining machine—which finally synthesized all the steps of hand mining into one phase—and continuous-belting for coal transport further reduced labor requirements, expanding the ...

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1940s | American Machinist

1940s. Aug. 1, 2000. America's manufacturing might was key to the Allied victory in World War II. By the beginning of 1944, the output of American factories was twice that of all the Axis nations as manufacturers everywhere shut down normal operations and retooled for wartime.

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Farm Machinery during the 1950s

Bigger & Better Farm Machines in the 1950s : Agricultural innovation in the 20th century was driven by the development of ever more powerful tractors, and the 1950s and 60s was something like a golden age. At the end of World War II, there was a lot of pent up demand. Tractor production reached its highest level in 1951 when there were 564,000 ...

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6,639 1940s Photos - Free & Royalty-Free Stock Photos from ...

6,507 1940s stock photos are available royalty-free. 1940s lady with umbrella. Classy 1940s lady walking down the street with an umbrella. 1940s Farm All Model H Tractor. 1940s Mc Cormeck Farm-All Model H tractor by International. This may be a 1941 model. Bright red, tricycle style front wheels.

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120 Old vintage cranes ideas in 2021 | heavy equipment ...

Oct 20, 2021 - Explore Chuck Eubanks's board "Old vintage cranes", followed by 212 people on Pinterest. See more ideas about heavy equipment, crane, construction equipment.

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Agricultural Machinery during the 1940s

The manufacturers of planting equipment were already offering machines that could automatically plant two rows at once. But farmers with large tractors began to hook two machines together. The manufacturers noticed and began producing integrated four-, six-, and even eight-row planters.

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Shaft sinking from 1940 to 1970: The golden age - CIM

Originating in Germany in the 1920s, the development of tungsten carbide bits culminated in Sweden in the early 1940s. Secoroc started production on a small scale in 1940, and the first cemented carbide bit was produced in 1943. During the 1950s and 1960s development continued for extension drill rods.

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1940s 1950s VINTAGE CIGARETTE MACHINE NATIONAL "G" …

Believe to be 1940's or 1950's. Sold AS IS. Great prop. We have a number of others, different eras (see last picture). We do have a local trucker that goes to the NYC/NJ/CT area.

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Vehicle Emissions and Air Quality: The Early Years (1940s ...

During the 1940s, an unusual form of air pollution was experienced in the Los Angeles (LA) area of Southern California. Referred to as LA smog, this pollution differed from previously known air pollution with respect to its temporal patterns (daytime formation and nighttime dissipation), eye irritation, high oxidant levels, and plant damage. Early laboratory and field experimentation ...

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Photographs | Arizona Geological Survey Mining Data

ADMMR (584) Apply ADMMR filter A. F. Budge mining Ltd. (90) Apply A. F. Budge mining Ltd. filter Walter E. Heinrichs, Jr. (53) Apply Walter E. Heinrichs, Jr. filter Arimetco Inc. (20) Apply Arimetco Inc. filter Doug K. Martin (18) Apply Doug K. Martin filter James Doyle Sell mining collection (11) Apply James Doyle Sell mining collection filter Grover Heinrichs (7) Apply Grover Heinrichs filter

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History of coal mining - Wikipedia

The history of coal mining goes back thousands of years, with early mines documented in ancient China, the Roman Empire and other early historical economies. It became important in the Industrial Revolution of the 19th and 20th centuries, when it was primarily used to power steam engines, heat buildings and generate electricity. Coal mining continues as an important economic activity today ...

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The 1940s Business and the Economy: Topics in the News ...

A whole new kind of industry emerged, with the sole purpose of providing armaments, equipment, and ammunition for the Pentagon. Because it linked together the military and industry, this new part of the economy was known as the "military-industrial complex." By the end of the 1940s, it was one of the most powerful sectors of the American economy.

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About Us - Arnold Machinery Company

1940's. Arnold Machinery enters the material handling industry, becoming a distributor of Hyster forklifts. 1950's. Arnold expands into Idaho with locations in Idaho Falls then Boise. General Implement (GID) is formed to sell the farm equipment lines. 1960's. Arnold …

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25 Photos of 1930s and 1940s Kentucky Coal Camps

Here are 25 images from the 1930s and 1940s that provide some insight into coal work and workers during those decades. During these uncertain times, please keep safety in mind and consider adding destinations to your bucket list to visit at a later date. 25. A coal miner in Jenkins via 1935. Ben Shahn. 24. A coal mining town in Floyd County, 1938.

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History of the Jeffrey Mining Corporate Center - State ...

A Short History of the Jeffrey Mining Corporate Center. 1876 The Lechner Mining Machine Co. was incorporated to build coal mining machinery. At that time, the slowest part of the mining cycle was the under-cutting, which required a miner to lie on his side for hours at a time, digging out a six inch thick cut, 4 feet deep, across a 10 to 20 foot wide face.

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Records of the U.S. Bureau of Mines | National Archives

(RECORD GROUP 70) 1860-1996 (Bulk 1910-90) OVERVIEW OF RECORDS LOCATIONS Table of Contents 70.1 ADMINISTRATIVE HISTORY 70.2 GENERAL RECORDS 1900-96 (bulk 1910-90) 70.2.1 Correspondence 70.2.2 Other general records 70.2.3 Records of the Assistant Director for Programs 70.2.4 Records of Special Assistant to the Director and Chief of the War …

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Coal-Mine Accidents in the United States, 1940 - UNT ...

Report compiled by the U.S. Bureau of Mines including statistics on fatal and non-fatal accidents in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.

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Coal Mining 1940s High Resolution Stock Photography and ...

Coal Mining 1940s Stock Photos and Images (190) Narrow your search: Black & white | Cut Outs. Page 1 of 2. Mining, Men in the mine, coal mining, 1940s, Germany. 1940s, historical, unemployed welsh miners looking for pieces of coal among the waste and soil on a large barren hillside slag heap, Merthyr, Wales. This 15 ton continous miner has been ...

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