Correspondence: chemicals including Presotim, Napthalene, Presomet etc

Scope and Content

Correspondence: 1917-1925 (consumption of chemicals); 1925-1930 (presomit and wood preservative); 1918-1930 (Creosite Oil and Napthalene); 1930-1932 (presotim and presomet); 1932-1937 (naphthalene); 1937-1946 (presotim and presomet)