D 6436 - 14 (2022)
๐ Scientific
๐
2022
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
The Engineer August 02-09, 1979: <a href="https://archive.org/search.php?query=sim_pubid%3A1202%20AND%20volume%3A249" rel="nofollow">Volume 249</a>, Issue 6436-6437.<br />Digitized from <a href="https://archive.org/details/sim_raw_scan_IA1518515-05/page/n1109" rel="nofollow">IA1518515-05</a>.<br />P