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. […]
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Attar of Roses – A Precious National Export
Export Growth of Bulgarian Rose Oil (1900–1904) The following table shows the quantity and value of attar of roses (rose
Educational Museum
The Educational Museum in Bulgaria serves as both an information center and a verification office for all matters related to