Antique Old G H ZEAL'S ZRM Clinical Thermometer Ad Litho Paper Card Board Sign. This is very rare original.Antique Old G H ZEAL'S ZRM Clinical Thermometer Ad Litho Paper Card Board Sign In. Good condition As par his Age! Is ready and to be part of your collection. This item As Shown In Picture See Photos for actual condition. Size :- 13.5 x 9.5 x. Size :- 34 x 23.5 x. Be aware From By Copycat look like our listing. If you have any question please do note shrink to send a message.