Electrocardiogram of Y. Gagarin, recorded April 11, 1961, at 19 hours and 35 minutes. Exhibited in the Memorial Museum Astronautics in Moscow.
<a href="//commons.wikimedia.org/wiki/User:%D0%96%D0%B0%D0%B1%D1%8B%D1%88" title="User:Жабыш">Габышев Дмитрий Николаевич</a>
2012-05-19
<span class="int-own-work" lang="en">Own work</span>