You're looking for a manual on microscopy, specifically the Bruno P. Kremer PDF download. Here's some useful information:
Lentes situadas en la parte superior donde el usuario coloca los ojos. Generalmente aumentan la imagen 10x o 15x.
Spanish (translated from the original German Das grosse kosmos-buch der mikroskopie ). Availability & Access
Estructura de las hojas, estomas, granos de polen y vasos conductores.
Yes, one of the book's greatest strengths is its accessibility. Kremer uses simple language and logical progression, making it ideal for beginners and students.