I found one article on the blog Vintage Everyday.
Automatic human washing machine. Automatic washing machines perform all washing operations without any manual intervention. The patented human washing machine can be used by anyone. The modern washing machine is not even 200 years old yet since it was only invented in the 1850s.
There are large buttons that control the brush making it very easy to use. All of us who see bathing and showering as an inefficient practice and have been waiting for a technical innovation to make it still more effortless could feel delighted with the introduction of the Avants Santelubain 999 an automatic human washing machine. To clean the clothes they rubbed into two surfaces inside the machine.
It can also be used by young active people for example sportsmen and bodybuilders who from time to time may prefer a machine-assisted showering. These machines are generally suitable for old-aged people as one doesnt have to bend too much here. The fully-automatic washing machines can be categorized into two classes depending on how you load the laundry in it.
Top-loading machines are the ones in which you put the clothes into the machine from above. The fully automatic washing machine controls are also very easy compared to the manual knobs that come with a semi-automatic washing machine. The First Model of Washing Machines.
Automatic washing machines work on a very simple principle. The top loader or front loader. A wide variety of human washing machine options are available to you There are 2863 human washing machine suppliers mainly located in Asia.
A timer controls the operating time. A pressure switch and a solenoid valve cut off the water supply when the tank has filled up. Were well-known as one of the leading human washing machine manufacturers and suppliers in China.