No coin nor oath required. For personal study only.
Leonardo 1987: Volume 20, Issue 4.
Digitized from IA1652703-02.
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Next issue: sim_leonardo_1988_21_1.
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๐ SIMILAR VOLUMES
Leonardo 1987: <a href="https://archive.org/search.php?query=sim_pubid%3A49130%20AND%20volume%3A20" rel="nofollow">Volume 20</a>, Issue 4.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1646609-06/page/n247" rel="nofollow">IA1646609-06</a>.<br />Previous issue: <a href="http
Leonardo 1987: <a href="https://archive.org/search.php?query=sim_pubid%3A49130%20AND%20volume%3A20" rel="nofollow">Volume 20</a>, Issue 2.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1652703-02/page/n62" rel="nofollow">IA1652703-02</a>.<br />Previous issue: <a href="https
Leonardo 1987: <a href="https://archive.org/search.php?query=sim_pubid%3A49130%20AND%20volume%3A20" rel="nofollow">Volume 20</a>, Issue 3.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1652703-02/page/n73" rel="nofollow">IA1652703-02</a>.<br />Previous issue: <a href="https
Leonardo 1987: <a href="https://archive.org/search.php?query=sim_pubid%3A49130%20AND%20volume%3A20" rel="nofollow">Volume 20</a>, Issue 1.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1646609-06/page/n157" rel="nofollow">IA1646609-06</a>.<br />Previous issue: <a href="http
Leonardo 1987: <a href="https://archive.org/search.php?query=sim_pubid%3A49130%20AND%20volume%3A20" rel="nofollow">Volume 20</a>, Issue 2.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1646609-06/page/n189" rel="nofollow">IA1646609-06</a>.<br />Previous issue: <a href="http
Leonardo 1987: <a href="https://archive.org/search.php?query=sim_pubid%3A49130%20AND%20volume%3A20" rel="nofollow">Volume 20</a>, Issue 3.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1646609-06/page/n222" rel="nofollow">IA1646609-06</a>.<br />Previous issue: <a href="http