The Richardson Lethal Chamber, (patented) : for the painless extinction of lower animal life / Lethal Chamber Company.

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<p>Leaflet explaining what the chamber is and how it works. Invented by Sir Benjamin Ward Richardson and built in 1884 for the Battersea Dogs' Home. There is a photograph of the chamber on the front page.</p>

The Richardson Lethal Chamber, (patented) : for the painless extinction of lower animal life / Lethal Chamber Company.

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