Antique MACHINIST PROMOTIONAL BOOKS Industrial Ephemera "JOHN ROYLE" Book Lot

ITEM DESCRIPTION: Being offered for sale is the lot of antique MACHINIST EQUIPMENT PROMOTIONAL BOOKS / MACHINE EQUIPMENT BOOKLETS (1-hardcover (which contains many (like over 10) individual booklets bound together - some have come loose from the 'rod & bracket' type binding system - we believe they can be reattached with relative ease, which we leave up to you to decide), plus 2-larger folder-type/folder-looking booklets/pamphlets and 10-separate smaller booklets (3 of the 10 are doubles, see pics), all by JOHN ROYLE & SONS of Patterson, N.J., from circa the very early 20th century (mixed lot), as seen in the pictures/as described in the title. PLEASE SEE BELOW FOR IMPORTANT CONDITION NOTES. Being offered for sale AS-FOUND, uncleaned. May require a thorough detailing to bring to their full potential. SATISFACTION GUARANTEED or your money back...no questions asked! CONDITION NOTES: Condition varies from Good -to- Very Good or better. Some have loose/fragile  bindings, loose/deta