MS 408 "Theatrum Machinarum": The Base-20 Abacus and Codicological Hypothesis of the Voynich Manuscript

References & Academic Continuity: The Naibbe Cipher: A substitution cipher that encrypts Latin and Italian as Voynich Manuscript-like ciphertext (Cryptologia, DOI: 10.1080/01611194.2025.2566408). René Zandbergen: For the structural codicological framework, mechanical insights, and the crucial Zandbergen-Landini (ZL) transcription data. Arturo Quevedo: For the theoretical groundwork regarding mechanical 3-rotor encryption models. Previous Cross-Reference (Meijer): Antediluvian Sovereign Calendar (ASC) (DOI: 10.5281/zenodo.18368598).