Lot of 2 metal and wood workshop chairs

Lot of 2 metal and wood workshop chairs. Design style friso kramer, authentic vintage industrial - 50s-60s - elegance and character. Numbered plate and authenticity patent. Very beautiful original patina. 360-degree swivel seating and adjustable in height between 52 and 70cm. Curved curved folders. Footrests on metal strap. Dimensions: total height: 86 to 104 cm. Seat height: 52 to 70 cm. Seat diameter: 31.5 cm. File: 36.5 X 17 cm. Foot width: 56 cm. Description: Elegance and character are the watchwords for these two workshop chairs from the 50s and 60s in the style of dutch designer friso kramer. The harmony and purity of the lines give these pieces a sculptural power elevating the function to the status of a work of art, the epitome of design. Balance of curves and angles, cold and warm materials, a combination of heavy metal and light and light wood, masculine and feminine, harmony of yin and yang, make here the simple movement of sitting an aesthetic and sensual experience.