Francisco Jorba is referred to as “instrument maker” living in Valencia. On 19 september 1495, Francisco is mentioned by Santiago Salvador who made up a protocolo about an order to make instruments on behalf of the Valencian trader Miguel Salvador. The instruments Francisco had to make were a cymbal and a monochord. Salvador required masterpieces and depicted the needed space to make and erect everything.Payment terms agreed were: a downpayment and a final payment when the instruments were first sounding (document from the Archivo del Reino de Valencia - ARV, cited in Martínez2015; reiterated in Borgaard2022. It is also likely but undocumented that he made vihuelas