These were on tile countertop in an apartment built in the 80s : r/whatisthisthing
NuTone Food Center Blender Model 272 Vintage VTG
NuTone - THE NuTone Food Centre is a space saving built-in multi-function food processing system. It combines 4 kitchen appliances into one for making smoothies, frozen drinks, cocktails, chopping/slicing/dicing veggies, mixing bread
NuTone Built-In Food Center Motor Base Kitchen System Power Unit Model 220 | eBay
The Kitchen Prep Multi Chef all in one drop in counter appliance
1950s NuTone In-Built Blender Mixer for the Kitchen of the Future - YouTube
vintage nutone food center 4 piece mixer set, Model #271 | eBay