(Portuguese) Algunas Receitas dos Cursos de Cozinha das C.R.G.E.

8.5x6.25", diecut cooking chart with movable wheel changing ingredients, heat, time, etc. Lisbon: Brinde das Companhias Reunidas Gaz e Electricidade, c.1930's.

Only those with 20/20 vision or better could possibly read these recipes without a magnifying glass, but from squinting, it looks like one side is savory dishes, and the other sweet. A lovely chart with Portuguese classics (probably).