“Jones” is a brand name of knitting machines manufactured by Brother Co. and sold in the UK. The model numbers are interchangeable. So, if you see a model number but under the “Jones” name, just look for a Brother machine with the same model name.
Jones Simplicity, standard, basic/manual
Jones KH551, standard, 4-pushbutton
Jones KH585, standard, 8-pushbutton
Jones KH588, standard, 8-pushbutton
Jones KH800, standard, punchcards
Jones KH820, standard, punchcards