Great!
Send an e-mail to amigansoftware@gmail.com for info about dumping this rarity.
The Arcadia emulator was just updated last month (10th july 2017)
http://amigan.1emu.net/releases/
Here it is in 3D Attack in "unarchived" section:
http://amigan.1emu.net/agg/#unarchived
Emerson Arcadia 2001 Central (world's largest and most popular Signetics-based machines site)
http://amigan.1emu.net/