RARE ENGLISH FAN PRINTED WITH VARIOUS TECHNIQUES: POINTILLISM, ENGRAVING, ACQUATINTA, ENTITLED "FANOLOGY." IN ONE OF THE MEDALLIONS YOU CAN READ: "Invented by Mr: Chals: Frances: Badini & Pubd as the Act Directs. (By the Proprietor) Wm. Cock. No. 42 Pall Mall at the Aug. 7: 1797."SOMEONE THINK THAT CHARLES FRANCIS BADINI WAS A PSEUDONYM OF SOME LADY VERY IN VIEW, BUT IN REALITY HE IS KNOWN AS A PRINT DESIGNER IN THE XVIII CENTURY. WILLIAM COCK (ACTIVE 1792/1801) WAS PUBLISHER AND SELLER OF PRINTS, AND EVEN FANMAKER OF THE DUCHESS OF YORK. THE FRONT LEAF AND THE BACK (BOTH PAPER) GIVE INSTRUCTIONS ON HOW TO ASSEMBLE WORDS, PHRASES AND EVEN NUMBERS BASED ON A SYSTEM OF FAIRLY COMPLEX NUMBERS AND LETTERS. ANOTHER EXEMPLAR LIKE THIS (LEAF ONLY) IS AT THE BRITISH MUSEUM, DONATED IN 1891 BY LADY CHARLOTTE SCHREIBER. WOODEN STICKS, OAK  OR FRUIT TREE. 1797. CM. 25,5. MAX. WIDTH CM. 49. STICKS 18+2