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Wooden corkscrew
 
This item is a mid-twentieth-century vintage French wooden continuous-pull corkscrew featuring a dual-handle reverse helix mechanism.
 
We identify its French heritage through its highly specific patented design mechanism, regional craftsmanship styles, and manufacturing history.
 
1. The Patented Mechanical Design
This exact model is a traditional "Tandem" or "Hélice" double-action corkscrew. The reverse-helix dual-handle system was heavily popularised and patented by French inventors—most notably Jacques Pérille in Paris around the late 19th and early 20th centuries. While later 1950s variants like the CAM Dépose Tandem updated the materials to turned-wood, the mechanical framework remained strictly tied to historic French manufacturing. 
2. Regional Woodturning & Material Style
The architectural shape of your corkscrew is characteristic of French regional barware engineering: 
The Body Style: The faceted, multi-sided hexagonal lower bell housing (or "cloche") is a signature aesthetic layout used almost exclusively by mid-century French workshops. 
The Wood: It is made from turned French beechwood or boxwood, which was the standard domestic lumber selection for kitchenware production in regions like the Jura and the Loire Valley during the mid-1900s.
 
3. Historical Purpose
These specific all-wood dual-handle corkscrews were produced en masse in France from the 1940s through the 1970s. They were the premier promotional tool given away by French wine merchants, cooperatives, and commercial breweries to regional bistros and restaurants.

        
This wooden corkscrew measures 17.4cm in length. The handles have a maximum width of 7.2cm.
 
The corkscrew section measures 7.2cm in length. It is metal.
 
It is in good vintage condition. It has markings befitting its vintage age.