It's quite a generous book -- and there's a generous archive offering pictures of some other items from the same company, accessible through https://hoboken.pastperfectonline.com/bysearchterm?keyword=R.B.+Davis+Company :
My book sometimes calls for Cocomalt, which seems to be a chocolate milk mix rather like Ovaltine, if I understand correctly. Here's an old brochure from the same company:
