Dear Readers,

As you may have seen elsewhere, in mid February my wife and I suffered the loss of our home in a fire, in the hills of central Massachusetts. The good news is that we got out safely and had no animals in our care at the time. The fire crews were able to contain the fire from spreading, in what turned into a 3-alarm, 5-hour-long ordeal in subzero temperatures; they did amazing work, and no one was injured. The bad news is that all of my physical historical materials and research of 30 years have gone up in smoke. As a result I have decided to suspend this blog for the time being. It will remain online as a resource for those interested in the history of glass and glassmaking in the seventeenth century and beyond. I do intend to resume writing when I can, but for now my time and energy are required in getting us back on our feet.

Friends are providing temporary shelter for us nearby and our intention is to rebuild as soon as possible. To those who have reached out with a steady hand, to those who have opened their wallets, and offered advice in our time of need, we thank you from the bottom of our hearts. In what are already difficult times for all of us, you have made a huge difference in our lives.

Paul Engle
6 March, 2021

Wednesday, January 1, 2014

Old Friends Not Be Forgot

Giacinto Talducci (della Casa)
Justus Sustermans
Jacinto Talducci was among the many interesting characters who worked in Florence at the alchemical laboratory of Medici Prince Don Antonio. Today, the Casino di San Marco still stands, serving as an appellate courthouse, next door to the San Marco church complex in the north end of the city. In the first decades of the seventeenth century it was the personal residence of Don Antonio de' Medici, and housed the alchemical laboratories that came to be known as the "Real Fonderia" (Royal Foundry). Here, behind unassuming walls, was where medicines, elixirs and various chemical reagents were manufactured at the turn of the seventeenth century. Visiting dignitaries were often given as gift packages containing curatives for various ailments. This was also where Antonio Neri first made glass for the ruling family. 

As children, according to historian Giovanni Targioni-Tozzetti, Jacinto Talducci and his older brother Ottavio "learned alchemy at the knee of Don Antonio." Ottavio's Florentine birth record shows he was born in 1596 and although a record for Jacinto has not been found, indications are that he was born in 1601. The boys' father Filippo Talducci della Casa bought a house just south of the city walls in 1598 where they may have been raised. Other family members were also working at the Casino in this period. Don Antonio's biographer Covoni lists Giovanni Talducci as a "fenditore" at the facility. An alchemist named Alessandro Talducci della Casa wrote a tract around the turn of the century and in it he passed on the coveted yet dangerous recipe for "the duke's oil," a pure distillation of nicotine. Antonio Neri's own disciple, who documented thousands of pages of Neri's experiments, was Agnolo della Casa from the same family.

When Antonio Neri returned to Tuscany from his seven year sojourn in Flanders, he settled down to write the book on glassmaking, L'Arte Vetraria, which would eventually make him famous. He dedicated the volume to his benefactor, Don Antonio: 
In all consideration, it is my proud duty to dedicate this book to none other than you, most Illustrious Excellency; for you have always been my outstanding patron. You are a gifted leader in this and in all other noble and worthy developments made continually in all the arts. This is the essence of a true and generous Prince.
If the Talducci boys did indeed learn alchemy at Don Antonio's knee, there is every chance that they had the opportunity to meet Antonio Neri upon his return to Florence. They would have been ten and fifteen years old, certainly old enough that they would have remembered the author. Indeed, historian Francesco Inghirami recorded that after Antonio Neri's death in 1614, Don Antonio left no stone unturned in looking for the priest's secret of transmutation:
Don Antonio was not quieted and he questioned all of Neri’s friends to see if he could find the information, but his efforts were in vain, as they should be in so groundless a science, although Giacinto Salducci said that he had seen great things, specifically a powder that fixed mercury into gold.
Targioni-Tozzetti chronicled that after Don Antonio's death in 1621, these boys would go on to serve Ferdinando II de' Medici (grand duke from 1621 to 1670).  The Casino laboratories of the Royal Foundry were moved to the Boboli Gardens. Ottavio would become its new director, while Jacinto became the parish priest of San Pietro Church, a few kilometers east of Florence in Sorgane near Bagno a Ripoli. When Ottavio died, the grand duke called Jacinto back into service as the new director of the Royal Foundry under Francesco Redi. 

There is one final twist of history that ties Neri to Talducci:
The foundry of S.A.S.  received some unnamed chemical medicines, which were found among the belongings in the in-heritance of Sig. Giulio Medici; things that were handled in the foundry of His Excellency Don Antonio Medici and made a long time ago, about 60 years, not subjects likely to be of any good, yet among them there was a booklet, entitled: Material of all the compounds of Priest Antonio Neri; there is a red dustcover, which says ‘experiments’ above the unknown sign [*]. Furthermore, I received some other written pages, dealing with the work of Priest Neri, metaphysically confused writings and of little help, these received and sent to the Marquis Cerbone Del Monte  by order of the Grand Duke. This the 30th of August, 1670.  -Iacinto Salducci  
Jacinto Talducci died in 1700, at the age of 99 (Targioni-Tozzetti, quoting Francesco Bonazzini). He was the last surviving member of Don Antonio’s band, spanning a full century in alchemy.

* The unknown symbol:

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