Vintage drawing table

School drawing table from the 1960s. Original dark brown metal base, the wooden top is tiltable and can also be raised or lowered (minimum 94 cm from the ground - maximum 112 cm from the ground) using a lever on the right side. All tables work. The attached photos provide details of each top. The tops can be kept as is (traces of time, school engravings) or replaced with a more noble material.