Women often made the choice, but His Nibbs did the paying
So often marketing and advertising was geared to both wife and husband. You saw this early in the last century with the dawn of "modern" electrical appliances it continued well into the 1970's or so. This on both sides of the pond as it was often the same in Europe as well.
By the 1910's and 1920's the "servant problem" was making finding and keeping domestic help difficult. There was also a push for housewives to protect the health of their family by doing laundry at home, this rather than sending it out to questionable services.
Even with homes that had domestic help (maids and or a laundress) a washing machine and other new electric laundry appliances were deemed just as important. Either way no matter who was doing the chore it could be done faster and with less physical effort than doing things by hand.
Yes, many of these early semi-automatic washing machines seem primitive compared to modern fully automatics from even the 1950's; but they were streets ahead of doing the wash by hand.
Yes, in much of the advertising from period you see women dressed rather glamorously for wash day. Whole point was that the dreaded "Blue Monday" was now a much easier affair with a washing machine. This as opposed to the sheer drudgery that came with hand laundry.
Now back to the washer:
Easy had already been producing a stand alone washing machine with same wash action before the spin drier. Former had a wringer while the latter used the "new" spin drying method for extraction of water.
Easy marketed the spin drying as an huge improvement over wringers. No breaking of buttons, buckles and other bits. This and or you didn't have to take things off before wash day, then sew them back on afterwards. The spin drier was also supposed to make laundering bulky things like blankets, quilts and down pillows much easier.
Cannot tell if the washer in OP's post has it; but early Easy washers of both types had connections for gas heating. Just the thing to keep your wash water nice and hot.
Easy also sold a gasoline powered engine for their washers (just like Maytag) for those without electrical connections.
http://www.gasenginemagazine.com/company-history/easy-washing-machine-company
Easy like ABC, General Electric and a few others were all early on offering spin drying twin tub washers. This in addition to standard wringer washing machines. However sales of spin drier units never matched or exceeded wringer washers.
