Agfa in Germany and Ansco in Binghampton, NY, had a working relationship for a very long time and made and sold nearly identical lines of cameras. This is a simpler model of what McKeon's calls the "1927-type" of Memo. It doesn't specifically detail the lines, but says there were a range from very simple shutter/lens (this one) to "better" models with more adjustments and even, in one case, focus.
The shutter release guard marks this as a later one, although I don't know how long the series was made. If you have the film cassettes, load up and shoot -- you just shove a couple feet of film in one while in the darkroom, then with the lights on start the end in the second, put both in the camera with the film one on top, close the back, fire three blanks, and shoot away.
When the film is done it will leave a bit hanging out of the lower cassette ... just pull it out and process. If the cassettes are tight fitting into the camera, give the ends a whack on the table to push them onto the can a bit tighter and they'll fit. With a fix lens/shutter, I'd shoot asa 100 film in daylight.