From 1938 to his retirement in 1960 Nikulin worked for Department of Water and Sewerage .
Before dying he wrote a warm farewell letter to his dear friend Nikulin leaving him list of documents to be delivered to Revolution Museum .
From 1938 to Nikulin 's retirement in 1960 Nikulin worked for Department of Water and Sewerage .
Before dying he wrote a warm farewell letter to his dear friend Nikulin leaving him list of documents to be delivered to Revolution Museum .