The Use of Power in Bulgarian Factories
In most Bulgarian factories at the beginning of the 20th century, water power was still the main source of energy. […]
I45
Agricultural Tools and Modernization in Bulgaria
Traditional and Modern Ploughs In the province of Vidin and other rural areas of Bulgaria, the old-fashioned wooden plough is
Technical Instruction in Bulgaria
Technical education in Bulgaria included schools designed to develop practical and artistic skills. One of the main institutions was the