{"product_id":"paravia-modello-didattico-scientifico-scolastico-di-alternatore-dinamo","title":"Paravia, Modello Didattico Scientifico scolastico di Alternatore \/ Dinamo","description":"\u003cp\u003eModello Didattico Storico di Alternatore \/ Dinamo\u003c\/p\u003e\n\u003cp\u003eG.B. Paravia \u0026amp; C.\u003cbr\u003eItalia\u003c\/p\u003e\n\u003cp\u003eModello didattico vintage da dimostrazione scientifica, raffigurante un alternatore monofase (dinamo \/ generatore di corrente alternata).\u003c\/p\u003e\n\u003cp\u003eQuesto strumento veniva utilizzato nelle scuole superiori e nelle università italiane a metà del Novecento per spiegare visivamente le leggi dell'elettromagnetismo e dell'induzione elettrica.\u003c\/p\u003e\n\u003cp\u003eIl modello è stato prodotto dalla celebre casa editrice e produttrice di sussidi scolastici scientifici G.B. Paravia \u0026amp; C. di Torino, sinonimo di eccellenza e qualità nella strumentazione pedagogica d'epoca.\u003c\/p\u003e\n\u003cp\u003eCaratteristiche e Dettagli:\u003c\/p\u003e\n\u003cp\u003e• Produttore: \u003cbr\u003eG.B. Paravia \u0026amp; C. (Esclusività per l'Italia)\u003c\/p\u003e\n\u003cp\u003e• Presente la targhetta originale in ottone sul fronte in alto a destra, accompagnata dal talloncino metallico con il numero di inventario\/serie: N. I 3739.\u003c\/p\u003e\n\u003cp\u003e• Materiali: \u003cbr\u003eStruttura autoportante in legno massello laccato nero, rotore centrale mobile in legno con corde chiare che simulano gli avvolgimenti delle bobine, levette in legno rosso (che rappresentano le spazzole di contatto) e terminali superiori (serrapollici) in ottone per i collegamenti elettrici.\u003c\/p\u003e\n\u003cp\u003e• Periodo stimato: \u003cbr\u003eCirca 1940-1950.\u003c\/p\u003e\n\u003cp\u003e• Dimensioni: \u003cbr\u003eAltezza 48 cm | Larghezza 34 cm | Profondità alla base 12 cm.\u003c\/p\u003e\n\u003cp\u003eStato di conservazione:\u003cbr\u003eL'oggetto si presenta in ottime condizioni vintage, perfettamente integro dal punto di vista strutturale. \u003cbr\u003eIl legno mostra una bellissima patina del tempo che ne accentua il carattere storico. \u003cbr\u003eGli avvolgimenti in corda sono ben tesi e stabili. \u003cbr\u003eIl meccanismo di rotazione è libero e funzionante. Lievissimi e normali segni di usura coerenti con l'età e l'utilizzo scolastico\u003c\/p\u003e\n\u003cp\u003eUn pezzo da collezione straordinario, ideale per amanti della fisica d'epoca, collezionisti di strumenti scientifici storici o come esclusivo oggetto d'arredo in stile modernariato industriale \/ Wunderkammer.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e--------------------------------------------------\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eVintage Educational Model of an Alternator \/ Dynamo\u003cbr\u003eG.B. Paravia \u0026amp; C.\u003cbr\u003eItaly\u003c\/p\u003e\n\u003cp\u003eA vintage educational model for scientific demonstration, representing a single-phase alternator (dynamo\/alternating current generator).\u003c\/p\u003e\n\u003cp\u003eThis instrument was used in Italian high schools and universities during the mid-20th century to provide a visual explanation of the laws of electromagnetism and electrical induction.\u003c\/p\u003e\n\u003cp\u003eThe model was produced by the renowned publishing house and manufacturer of scientific educational aids, G.B. Paravia \u0026amp; C. of Turin—a name synonymous with excellence and quality in historical pedagogical instrumentation.\u003c\/p\u003e\n\u003cp\u003eFeatures and Details:\u003c\/p\u003e\n\u003cp\u003e• Manufacturer:\u003cbr\u003eG.B. Paravia \u0026amp; C. (Exclusive to the Italian market)\u003c\/p\u003e\n\u003cp\u003e• Includes the original brass nameplate on the upper right front, accompanied by a small metal tag bearing an inventory\/serial number: N. I 3739.\u003c\/p\u003e\n\u003cp\u003e• Materials:\u003cbr\u003eA self-supporting structure made of solid, black-lacquered wood; a central, movable wooden rotor featuring light-colored cords that simulate coil windings; red wooden levers (representing contact brushes); and brass binding posts (thumb-screw terminals) at the top for electrical connections.\u003c\/p\u003e\n\u003cp\u003e• Estimated Period:\u003cbr\u003eCirca 1940–1950.\u003c\/p\u003e\n\u003cp\u003e• Dimensions:\u003cbr\u003eHeight 48 cm | Width 34 cm | Depth at the base 12 cm.\u003c\/p\u003e\n\u003cp\u003eCondition:\u003cbr\u003eThe item is in excellent vintage condition and remains structurally sound.\u003cbr\u003eThe wood displays a beautiful patina, which enhances its historical character.\u003cbr\u003eThe cord windings are taut and stable.\u003cbr\u003eThe rotation mechanism moves freely and is fully functional. Very slight, normal signs of wear consistent with its age and use in an educational setting.\u003c\/p\u003e\n\u003cp\u003eAn extraordinary collector's piece—ideal for enthusiasts of vintage physics, collectors of historical scientific instruments, or as an exclusive decorative object with an industrial-modern or \"cabinet of curiosities\" (Wunderkammer) aesthetic.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MemoriedOro","offers":[{"title":"Default Title","offer_id":59585338736972,"sku":null,"price":230.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1068\/5353\/1980\/files\/F77BD205-3B64-4706-AFC9-2AD30BD75E22.jpg?v=1793110093","url":"https:\/\/memoriedoro.com\/products\/paravia-modello-didattico-scientifico-scolastico-di-alternatore-dinamo","provider":"MemoriedOro","version":"1.0","type":"link"}