STIR all ingredients with ice and strain into chilled glass.
Chilled olive on stick or lemon zest twist.
Readers of Embury will know he had a bone dry palate and Martinis made to his specification are just that, and with the correct dilution, fabulous.
In his Fine Art of Mixing Drinks, David Embury writes of this drink "After extensive experimentation I have arrived at the ratio of 5 to 1 as the proportion most pleasing to the average palate. Personally, I like a ratio of about 7 to 1 even better, and I know some who prefer a ratio as high as 10 to 1."