Very early work on guitar

[Guitar]. Paixo Ribeirõ, Manoel da. Nova arte de viola, que ensina a tocalla com fundamento sem mestre, divida em duas partes, huma especulativa, e outra practica; Com Estampas das posturas, ou pontos naturaes, e accidentaes; e com alguns Minuettes, e Modhinas por Musica, e por Cifra. Obra util a toda a qualidade de Pessoas; e muito principalmente ás que seguam a vida litteraria, e ainda ás Senhoras. Coimbra: Real Officina da Universidade..., 1789. First edition. Quarto. [1] leaf, V, 51 pp. With eight double page engraved plates. Uncut and unbound as issued with traces of wrappers. Generally a fine copy in original condition with the engraved plates unsewn so that they would sit flat on the music stand. Very light marginal stain to two plates, more to title page and prelimsFirst Edition, a desirable, unsophisticated copy of this rare 18th century source of instrumental pedagogy on the Portuguese baroque guitar (or viola). The work is divided into both a practical section; explaining an