Nr1 Nr2
  Wöhrmann & Son machine factory and iron foundry: price-list.
 
Klapmeyer's iron and wire factory: price-list (1861).

JSC Riga iron foundry and machinery factory, former Felser & Co. Catalogue of agricultural machines (1892).

 
"Riga Wire Industry" - one of the biggest producers of wires and nails in Russia: exposition.

  Riga wire factory price-list (1896).