Gallery Photos Military service in the Latvian army in 1930-32. on Monday 19th February 2018 Tuesday 30th October 2018 Dubrovsky Nikolai Andreevich. Military service in the Latvian army in 1930-32. Valve of antique traction engine, early 20th century 1920s, 1930s, part of self-propelled steam engine used to plough (plow) ground.... Life in Riga in 1930's Dubrovsky Nikolai Andreevich and Maria Vasilievna... Leave a comment Leave a reply Please login or register to review