User Score: 1287
The fish attached to the tuna which gave Leonardo inspiration for his submarine was a lamprey.
Vespucci shows Leonardo maps by the cartographer Toscanelli. He is referring to Paolo dal Pozzo Toscanelli, a Florence-based mathematician. In 1474, he produced a map for sailing west, to reach the Spice Islands and Asia.
Zoroaster tells Leonardo that the sunken wreck is about three or four braccia away. This would be about two or three yards.
At the start of the episode, Ima, the Inca High Priestess, tells Leonardo and Riario that Patamama will drink their blood.
She is probably referring to the Inca fertility goddess Pachamama, also known as Mama Pacha, who watched over planting and harvesting. She was originally seen as cruel and eager to collect her sacrifices.
When Leonardo tells Andrea del Verrocchio that he's going to give Lorenzo some of his blood, Andrea says that the Bible prohibits it in Leviticus:"You are not to eat any blood, either of bird or animal."
Leviticus is the third book of the Old Testament; the passage being quoted is from chapter 7, verse 26 (7:26): "You are not to eat any blood, either of bird or animal, in any of your dwellings."
During the blood transfusion, Leonardo tells Andrea to open the median basilic on Lorenzo's arm. The median basilic vein is also referred to as a cubital vein and is most often used for taking blood.
The portrait of Lorenzo that Clarice says was her first glimpse of him is an altered version of one by Italian painter Girolamo Macchietti, depicting Lorenzo in Tuscany.
However, it was actually painted posthumously as Girolamo was not born until well after Lorenzo's death.
The Sons of Mithras shown at the beginning of the episode are: Aslan Al-Rahim ('The Turk'), Avraham ben Yosef ('The Jew'), Solomon Ogbai ('The Abyssinian'), Cosimo Medici and an unidentified figure.
The caption states that this meeting took place 13 years ago, which would place it in 1465. However, Cosimo died in on 1st August, 1464.
The device given to Cosimo, which Leonardo later discovers, is a mariner's astrolabe, used to determine a ship's latitude at sea.
The engagement banquet hosted by the Pazzis was held at the Castello del Trebbio, a Pazzi fortrtess located about 20 miles north of Florence.
Al-Rahim tells Leonardo to be on a ship bound for Cape Verde, commanded by António de Noli. António de Noli was a Genoese navigator and credited with the discovery of the Cape Verde islands (west of Mauritania) and was apointed their first Governor.
The place where Giuliano recuperated was Val d'Elsa, approximately 30 miles from Florence, about half way between there and Siena.
The Tomb of Cosimo Medici
Cosimo's tomb is within the Basilica of San Lorenzo, one of the largest churches of Florence. The tombslab, designed by Andrea del Verrocchio, is very similar to the mosaic shown on the wall in this episode and does contain a 'Solomon's Knot'.
The dome of the Sagrestia Vecchia (or Old Sacristy) does not look as is portrayed in this episode, but does depict the sun's route through the constellations visible on 4th July, 1442. This was the date that Rene d'Anjou, King of Naples, came to Florence. It was he who convinced Cosimo to open Europe's first public library and have Greek taught at the University. These innovations served to reveal Greek concepts of life to the Florentines.
The ring on Cosimo's tomb, which Leonardo turns, shows 6 balls, a Medici symbol from their coat of arms. They are usually set in a more circular fashion, rather than the pattern found on a die.
The words on the secret drawer relate to Cosimo's posthumus title of Pater Patriae, Father of the Nation.
The fresco behind the tomb is this show's version of the Procession of the Magi and has been re-used from the Magi Chapel set, from episode 3.
The weapon that Riario uses to blow open the sacristy door is a culverin.
Approximately 5 weeks pass from the church service at the beginning of the episode to Giuliano and Bertino leaving for Siena.
The name on the headstone Count Riario visits is Celia Lysimachus. The bouquet of flowers he places are Yellow Asphodel.
The church service at the beginning of the episode is the Ash Wednesday Mass, marking the first day of Lent, 46 days before Easter; in 1478, this was 4th February. Ashes are placed on the forehead in the sign of the cross and are normally worn until they wear off.
Francesco Pazzi organises a banquet for Holy Saturday. This is another name for Easter Saturday, the day prior to Easter Sunday. In 1478, this would have been 21st March, 45 days from the earlier events in this episode.
Leonardo tells Zoroaster that Rome's sewers were built on the principles of Vitruvius. Marcus Vitruvius Pollio was a Roman architect and engineer during the 1st century BC and is the author of the oldest surviving architecture records.
The shopping list that Leonardo gives Nico contains:
User Score: 1287
User Score: 19
User Score: 3
User Score: 2
User Score: 2
User Score: 1
User Score: 1