Industry Technologies

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This area involves the development and refinement of your Industry and especially the efficiency of your factories. Note that the applications that enhances Power often are prerequisited for many other applications.

Prerequisite Techs always include the tech directly above it in this specific tech field and all four techs two levels back in the other Army tech fields. Level 1-technologies don't have prerequisites, level 2-techs only the level 1-tech from the same field. Exceptions and additional prerequisite techs from the same category are shown in bold, additional techs from other categories are shown in bold and italics.

If a technology itself is a prerequisite for a tech deviating from the above rule, it's called a "Key Technology" here. The more follow-up techs a certain technology has listed in this category, the more this technology can become a bottleneck for your research progress. (So it corresponds to the bold/ bold-italic techs, but with the tech tree viewed top-down instead of bottom-up like in the category "Prerequisite Techs".)


This area involves the development of power and engines. Note that each application within this area is the prerequisite for each other application at the same level within the technology branch of Industry.

Water-wheel Power

This is the first effective source of power for production and power is gained by the driving wheel moved by the water of a river. It could only propulse simple machinery as grain mills.

Practical Steam Engine

This was the first workable steam engine that could be fit into a building or vehicle and actually do work with any endurance.

High & Low Pressure Steam Engines

These were durable engines that were specialized to do some specific work. Some used low pressure steam and others high.

Steam Turbine

This was a steam enging that feed a generator which produced electricity. This kind of engine gave much higher energy returns than earlier models.

Combustion Engine

This engine used gasoline as fuel which exploded in a chamber and propulsed several pistons. This was the future...

Electrical Power Generation

Steam and combustion engines were used to move a vehicle or a piece of equipment. Making a factory equipment move required large investments and skilled labour to run the engine. With electricity the power could be produced by separate power companies, which was vastly more efficient.


This area involves the development of mechanizations in the factories of your country. It concerns both machinery, tools and working procedures.

Publishing Industry

This was the elder system of capitalist giving resources to farmers who then crafted them into refined goods at home. The capitalist later fetched the goods and took them to the city and sold them.

Mechanical Production

This meant that labour and resources met in one building near the selling point and there crafted it into finished goods. This sped up production and increased the quality and uniformity of the products.

Interchangeable Parts

This meant the construction of interchangeable parts. This meant that one could simple change parts that had become torn and keep the production running without too much loss of time.


This meant removing human labour from parts of the production, and also decreasing direct human labour in favour of human-supervised machines.

Assembly Line

This mode of production meant that a worker no longer worked in all segments of production on a product. Instead there was an assembly line and each worker only did a few simple actions to the product. This increased output enormously though the tristess of the worker might have increased somewhat.

Shift Work

With the development of electricity as both a new source of power and a consistent source of artificial lighting, the ability to produce goods in factories at any time dramatically expanded. The combination of increased consumer demand with the demands of States for material in times of war led to the rise of the shift system that brought new workers to the plant floor, usually once every eight hours, so that production could be maintained constantly without interruption.


This area involves the development and refinement of metal and minerals. Different techniques of cleaning, roasting, grinding and smelting decreased the losses of resources that had often occured earlier.

Mechanized Mining

This meant using basic machinery as pumps and hydraulics to support mining activity.

Clean Coal

By different processes it was possible to free the coal from certain by products that lowered its quality.

Cheap Iron

By different processes it was possible to free the iron from certain by products that lowered its quality.

Cheap Steel

By several different processes it was possible to produce steel in hire quantities and with higher quality at lower costs.

Advanced Metallurgy

By mechanizing much of the steel forging the output was even high and more reliable than earlier.

Electric Furnace

Various metals, like aluminium, are not found in nature in their metallic form, but instead as oxides or other compunds. Only by using an electric furnace could they be reduced to metals on an industrial scale.


This area involves the development of railroad from early 19th century horse-and-wagon to the integral railsystems of the early 1920s.

Experimental Railroad

This was the first servicable railroad. It was simple and fragile, but still it turned most cargo and diligens companies out of business with in a few decades.

Early Railroad

This was an early railroad which was durable and safe, but its trains was weak, slow and the width of the rail was small and thus meant even large investments later to increase the width for bigger trains.

Iron Railroad

This was an improvement over the earlier railroad and used iron which unfortentely had high supply cost due to its tendency to rust, but it had greater width between the rails and it had parallel lines that went both ways.

Steel Railroad

This was an upgrade of the iron railroad. Steel was the perfect material, durable and with low supply costs. The rail width was made even wider with big powerful trains and many wagons.

Integral Rail System

This was the development of a fullfledged station system and it used the same rail width on all its line and was made to take all kinds of trains. The lines was also expanded so that there where now seperate goods trains and passanger trains.

Limited-Access Roads

Automobiles soon became popular enough and trucks big enough to be used for transportation in competition with trains. Although trains were faster and cheaper for a long time, an added benefit with trucks was flexibility to choose the route. Horses and tractors tended not to mix well with cars, so roads were constructed between cities for cars only.

Chemistry and Electricity

This area involves the development of chemistry and electricity and all its spinoffs.

Basic Chemistry

This the methods of applying different materials and liquids and forging new mixes with their own attributes.


As chemistry was developed its uses was put to the service of doctors and health care. Its uses were many and medicin of different kinds was developed and discouvered by doctors and chemists alike.

Inorganic Chemistry

This was the development of new artificial substances as fertilizers and explosives, but also different chemical processes as rubber vulcanization and catalytic fermentative processes.

Organic Chemistry

This was the development of new artificial substances as synthetic dye and carbon soil enrichment, but it was also the application of gas into light and the cracking process to develop energy-rich fuel.


By the pressing energy through for example metal the energy can be moved long distances with little loss. Earlier energy had to be used at the point of its production. Also a specific application would be the light bulp where the press of energy for the electrons to change places between atoms of say copper. This changing places activity emitts energy in a form that we experience as light.

Synthetic Polymers

Advances in organic chemistry and polymerisation led scientists to study the production of artificial fibers. The booming oil industry provided plenty of raw material to use.