THERE IS AN EMPTY SLOT IN THE BOX LID WHERE I THINK IT WAS AN OIL BOTTLE HOLDER. THE DIAL IS 2 1/4 INCHES DIAMETER AND THE FAN COVER IS 2 3/4 INCHES. CASELLA OF LONDON Maker to the Admiralty and Ordnance. The item "ANTIQUE AIRFLOW METER" is in sale since Saturday, December 15, 2018. This item is in the category "Antiques\Science/Medicine\Scientific Instruments".
The seller is "4oggy4" and is located in HARWICH. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Canada, Brazil, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Switzerland, Thailand, Chile.