In Sketches of Roman and Gothic architectural details and medieval armour, the viewer is presented with a variety of intricate designs. The use of ink creates sharp contrasts, highlighting the detailed lines of the architecture and armor. The colors are predominantly monochromatic, emphasizing the precision of the sketches.

Figures of knights and architectural elements are depicted with careful attention to detail, showcasing the artist's skill in rendering complex forms. The work is executed in ink on paper, a medium that allows for fine detail and precision. The sketches are likely small, measuring approximately 25 x 35 cm, making them intimate studies of architectural and armor details. Viewers can observe the meticulous line work and shading that brings depth to the designs.

This technical approach reflects the artist's dedication to accuracy in depicting historical elements. Józef Simmler was a Polish artist known for his detailed studies of architecture and historical subjects. This particular work showcases his interest in both Roman and Gothic styles, reflecting a broader fascination with medieval history during the 19th century. An interesting fact about this work is that it serves not only as an artistic endeavor but also as a historical document, preserving the visual language of architectural design from these eras.