Germany (?) (Publisher, Distributor)
Hallmayer's was a plant fertilizer company whose product, Hallmayer´s konzentrierter Pflanzendünger ("Hallmayer's concentrated plant fertilizer") was advertised in German.
Hallmayer's was a plant fertilizer company whose product, Hallmayer´s konzentrierter Pflanzendünger ("Hallmayer's concentrated plant fertilizer") was advertised in German.