Barometers Realm

A particularly informative commercial document issued by Établissements H. Morin, the well-known Paris manufacturer and supplier of scientific, surveying and engineering instruments.

The elaborate letterhead is itself an important piece of corporate ephemera. It presents H. Morin not simply as an instrument maker but as a broad supplier of “instruments and supplies for engineers.” The prominent cluster of exhibition medals emphasizes the firm's reputation and participation in international exhibitions, while the inclusion of the associated Landostyl H. Morin plan-reproduction business illustrates the unusually wide technical scope of the company.

The invoice records a transaction of 24 September 1924 with the Belgian industrial company G. Dumont & Frères at Sclaigneaux. The ordered goods were twelve replacement glasses for a Perfecta lamp, demonstrating the routine supply of replacement components alongside complete scientific and technical instruments. The document therefore offers a rare glimpse into the everyday commercial activity behind the instrument trade: ordering, packing, forwarding through an intermediary, railway transport and receipt by an industrial customer abroad.

Especially noteworthy is the seller’s formal declaration that the goods were not of German or Czechoslovak origin. In the immediate post-First World War commercial environment, statements concerning the national origin of merchandise could have practical importance for customs, tariffs, procurement regulations or commercial preferences. Its presence on an otherwise ordinary invoice makes the document a particularly interesting witness to the economic and political conditions of European trade during the 1920s.

The surviving receiving stamp dated 27 September 1924, only three days after the invoice was issued in Paris, also allows the commercial journey of the shipment from France to Belgium to be followed with unusual precision.