Hello<div><br></div><div>In the first volume of Shut Rabbi Akiva Eiger, in the introduction, the sons of R. Akiva Eiger, R' Shlomo and R' Abraham mention a "science" book. Does anyone happen to know wich book is it?</div>
<div><br></div><div>Thanks</div><div><br></div><div>By the way, I'm new in this list so nice to meet everyone.</div>