Pete, your blender is just like mine. I got it in the early 70s and it still is the best thing for making cole slaw. Somehow the chopping in the water removes the strong cabbage stink. Cabbage did not used to smell as strong as it does now; it must be treated with some chemical to keep it looking fresher longer, but the water chopping washes it away.
While Oster said not to chop ice in the blender, the instructions said that ice cubes could be added to liquid in the jar while the motor was on. The closest we ever came to that was making what we called Billy's Bubbling Burpy Brew. We took a can of frozen orange juice concentrate and dumped it vertically onto the blades in the blender jar. Then we added water and let 'er rip. The resulting beverage was very frothy and sweet, but after you drank it, the bubbles started collapsing and that was where the burpy part started. You felt like the glass pipes in a Draino ad with all of the fizzing and bubbling. Thank Heaven it completed its action in the upper chamber and vented upwards.
While Oster said not to chop ice in the blender, the instructions said that ice cubes could be added to liquid in the jar while the motor was on. The closest we ever came to that was making what we called Billy's Bubbling Burpy Brew. We took a can of frozen orange juice concentrate and dumped it vertically onto the blades in the blender jar. Then we added water and let 'er rip. The resulting beverage was very frothy and sweet, but after you drank it, the bubbles started collapsing and that was where the burpy part started. You felt like the glass pipes in a Draino ad with all of the fizzing and bubbling. Thank Heaven it completed its action in the upper chamber and vented upwards.