concept

The Electro-Magnetic Sexual Spiral : for the cure of impotency, spermatorrhoea, physical decay, enlarged prostate gland. gravel, inflammation of the bladder, etc. / The De Groot Electrical Co.

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Please note, due to essential maintenance work to our systems, you will be unable to request items in our collections; apply for, renew or pre-register for a library membership; or use our computers, laptops and printers from 06:00 on Saturday 12 July until 06:00 on Sunday 13 July. Our library will remain open as usual. Thank you for your understanding.

We're running paid user research studies to improve Wellcome Collection online

De Groot Electrical Co.

Works from the collections

The Electro-Magnetic Sexual Spiral : for the cure of impotency, spermatorrhoea, physical decay, enlarged prostate gland. gravel, inflammation of the bladder, etc. / The De Groot Electrical Co.