Here's some interesting composed text on Vierordt and Compagnie:
(Do note the neat cartridges)



>>My notes on Vierordt

The company Vierordt & Cie of Kehl-Strassburg is believed to have operated from the late 19th century and went out of business in early WW1, by 1915. This firm produced firearms and also parts for motor bicycles.

The business was associated with Gustav Kersten, who was an arms manufacturer of Kehl-Strassburg and known to have invented and patented (D.R.G.M) several rifle actions from 1899, including:

c1900 they received DRGM #123783 for a rifle action.

A double rifle by Vierordt on G. Kersten’s “Drehblockverschluss” patent # 141334 of 1902, a peculiar action with the block dropping down for about ¼" to unlock it from the barrel extensions, then rolling back to expose the chambers.

A breech action with double Greener cross bolt generally called the ‘Kersten’ bolt action or ‘Strassburg’ action, patent # 252511 c1905. He called this type “Verschluß Modell I” (= Action Model I) and “Marke Luchs” (= “Type Lynx”). This rifle won a gold medal at the “Internationale Jagdausstellung” (Hunters Exhibition) Vienna 1907.

Around early 1900’s Kersten was an arms manufacturer for the German army and thus he was not allowed to deposit a private patent nor to manufacture weapons for his own retail. This is why he joined Vierordt. However, in 1910, they had a dispute which became a public campaign in the press at the time. Kersten then separated from Vierordt by transferring the rights of his invention to his son named Curt. Cf. 1907 vs 1910 Vierordt “Marke-Luchs” ad - the “Kersten” name was removed by 1910.

The Vierordt & Cie had ammunition produced for it by DWM (and perhaps others). At least one of the unique cartridges produced for this company were even patented. Known cartridges for these rifles are:

Patrone 100 :10.75x65R Vierordt (MB163)
Patrone 101 : 9.3x74R Mauser (M60)
Patrone 102 : 8x62R Vierordt (D.R.G.M. 274380) (EXP20)
Patrone 103 : 8x65R Vierordt (EXP21)<<

https://forum.cartridgecollectors.o...e-made-from-vierordt-case-nr-103/54338/6

Hochachtungsvoll,

Raimey
rse