Please Help Me to Identify Silver Plate Hot Plate

I have this silver plate extendable hot plate has a lot of markings but don’t know what they are
could you please help to identify them
thank you…jim

Your hot plate was made by the Meriden Britannia Company (MBC). See American Silverplate marks: marks and hallmarks of US makers: Ma-Mh.


Thank you Phil
do you know about around the year this might of been made

I have no idea at all.