DON'T BUY IT. That's a crap-o-phone.
SEE:
http://www.mainspringpress.com/crapo.htmlhttp://cameronfreeman.com/personal/cont ... ap-phones/http://www.oldcrank.com/articles/crapop ... ction.htmlThe main issue with crap-o-phones, aside from the fact that they have no value from a collector's standpoint, is that there is zero quality control in terms of how they are assembled. For instance, the motors are often slapped together from mismatched parts culled from junked machines or spare parts inventories. In many cases, if they function at all, they are unable to hold a true speed, or the spring breaks after a few windings, or they jam up completely. Along this line, the reproducers are often damaged or frozen, resulting in immediate destruction of the record's groove, the tonearms don't fit properly and shake and wobble, etc.
You should also note that by the 1940s, 78s were specifically designed to be played on electrically amplified phonographs equipped with lighter weight tonearms and jewel or precious metal tipped needles. It's true that acoustic (wind up) portables were still being sold, but they were not easy on most records. So, your best bet, if you want to preserve the records, is to hunt down an authentic period model (1940s era)
electronically restored phonograph, or one from a later era.
If you really have your heart set on a mechanically amplified (acoustic) phonograph, your best bet would be an HMV-102 portable --
http://www.portable-gramophone.com/hmv_gramophones.ws That model was sold from 1931 through about 1960. Some of these videos provide an indication of it's performance --
https://www.youtube.com/results?search_ ... gramophoneJDS