A named Pietrasanta workshop apparatus associated with Renzo Giannoni, preserved in the oral technical vocabulary recorded by Le voci del marmo.
Macchinetta del Giannoni is a named workshop term recorded in the Rino Giannini interview index of Le voci del marmo, where it appears together with the name Renzo Giannoni.
The source establishes the existence and local attribution of the apparatus, but the brief index does not by itself supply enough mechanical detail to define its operation with certainty. The term is therefore preserved here as documented bottega vocabulary pending deeper study of the interview and related workshop sources.
Etymology
Italian: macchinetta, “small machine/apparatus,” + del Giannoni, “of Giannoni.”
Sculptor Notes
This is deliberately a conservative entry. The Lexicon should preserve a documented local term rather than invent a mechanism. Its value is as a research thread linking Pietrasanta workshop practice to the Giannoni family tradition.
References
https://levocidelmarmo.sns.it/lista_times.php