A harmonium player of Leicester,
when the zest of Schweppes Tonic posseicester,
Used to stand up and beat
on the keys with her feet
till the Vicar and Sidesmen suppreicester.
Schweppes is still around. This product isn't:
Note that the price is 21 shillings nuppence. (About 80 bucks today.) Radio equipment was considered 'luxury goods', so it was often priced in guineas (21 shillings) instead of pounds.
The 'luxury' was a cover story; actually the price in GN sounded cheaper. 47 GN = £49/7/-. Pretty much the LSD version of our $49.99 trick.
The current icon shows Polistra using a Personal Equation Machine.