Artifacts 16
Every copy this mystery rests on, each with its own key and its distance from the original.
Scan1 step from object
X-Tek Systems for AMRP (2005), reprocessed by Pakzad et al. (2018) · CC0 1.0
Scan2 steps from object
Freeth, T., Higgon, D., Dacanalis, A. et al. · CC BY 4.0
Scan1 step from object
Charalambos Karakalos; published by Derek de Solla Price · publisher