The Life of Marine Engineer Officer Edgars Oto Pinka (1895–1941)

Autor: Indulis Zvirgzdiņš

Publikováno v: History of Engineering Sciences and Institutions of Higher Education, Vol 7, Iss 0, Pp 47-64 (2023)

Based on the documents, the study provides a wide and comprehensive evaluation of the life of an engineer and citizen from Vidzeme Edgars Otto Pinka (1895–1941). His life was related to ships, military service in Latvia, Russia, and France, and the

Externí odkaz: https://doaj.org/article/686115851d6a4c108458f4028f041f89

Eco-Economics in Cities and Rural Areas

Autor: Zvirgzdiņš Jānis, Plotka Kaspars, Geipele Sanda

Publikováno v: Baltic Journal of Real Estate Economics and Construction Management, Vol 6, Iss 1, Pp 88-99 (2018)

Economic models are built primarily following the classical economic theories, but a challenge to build good models with classical theories is needed to define the exact value of the Earth, which is hardly definable. Quite often national gross produc

Externí odkaz: https://doaj.org/article/399991048f9346398c7fc4825f087e30

Pedagogical and Political Activity of Pēteris Sauleskalns (1876–1975), a Graduate (1908) of Riga Polytechnic Institute

Autor: Indulis Zvirgzdiņš

Publikováno v: History of Engineering Sciences and Institutions of Higher Education; Vol 6 (2022): History of Engineering Sciences and Institutions of Higher Education; 56-72

In the study dedicated to Pēteris Sauleskalns (1876–1975), a graduate of Riga Polytechnic Institute (RPI), an agronomist, pedagogue, and teacher, the author used archival and library materials describing the family of Sauleskalns and the childhood

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3da9992acb6ff7c0227ef60052ae1e41
https://hesihe-journals.rtu.lv/article/view/HESIHE.2022.004

Production of Horse-Drawn Carriages in Latvia in the 20th Century

Autor: Indulis Zvirgzdiņš

Publikováno v: History of Engineering Sciences and Institutions of Higher Education; Vol 4 (2020): History of Engineering Sciences and Institutions of Higher Education; 9-30

In the first half of the last century, wood craftsmen and blacksmiths collaborated in the manufacture of carriages, but in most cases, they worked individually. There were also larger companies operating mainly in cities. The author’s main focus is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::535666982108d5a3f470939d241b8c99
https://doi.org/10.7250/hesihe.2020.002

Professional and Social Activities of Engineer Jānis Jagars (1894–1970)

Autor: Indulis Zvirgzdiņš

Publikováno v: History of Engineering Sciences and Institutions of Higher Education; Vol 5 (2021): History of Engineering Sciences and Institutions of Higher Education; 107-129

The research reveals facts about the family of engineer Jānis Jagars (1894–1970) and the versatility of his work in the 20th century. He studied at Riga Polytechnic Institute (RPI) and stayed in Russia during World War I. After returning to Latvia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb3e4d0abc8cf95f4f43c4c0da0e5356
https://hesihe-journals.rtu.lv/article/view/HESIHE.2021.006