Many of the most famous illustrations (like the "King of the Djinn") are available in the public domain and can be downloaded as individual high-res files or compiled PDFs for study.
Alongside the supernatural, it features diagrams for more "grounded" sciences like geomancy and the study of the seasons. Where to Access the Digital Manuscript kitab albulhan pdf link
Various researchers have uploaded compiled PDF versions of the manuscript for easier offline viewing. Search for "Kitab al-Bulhan" or "MS. Bodl. Or. 133" on archive.org. A Masterpiece of Ilkhanid and Jalayirid Art Many of the most famous illustrations (like the
This is the primary source. You can browse the entire manuscript, page by page, through their Digital Bodleian portal. page by page
It provides instructions and visual guides for creating talismans and understanding folk legends.