Puckerings has dated this Silver Plated Cocktail Mixer to the 1930s.
Made by the well renowned silversmith, James Dixon and Sons and fully marked on the underside. Marked Made in England and 1 pint. The knob on the top is used to move the shaft up and down mixing the ingredients inside.

Something different for the bar, made from silverplate and dating to around 1920. I have had one of these in the past but not one finished with engine turned decoration.
Item ID: 40758
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Puckerings has dated this Silver Plated Cocktail Mixer to the 1930s.
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