The design is from the 50s, but the color makes it no older than second half of the 60s. Of course, if this family is like mice and breeds as soon as they are able, you could have a new generation every 12 to 15 years, which would be about the level of education exhibited in the posting and might explain the hard use the "Blender" received. This was probably replaced in their batterie de cuisine by another model from the same thrift store where they found this one. Note that without the turntable they just use two of the small bowls. Does anyone remember GE mixers with those textured glass bowls?