A WELL PRESENTED,IMPORTANT LOOKING 
"E.R.WATTS AIR METER TO 100.00 FEET", 
ANEMOMETER
IN WORKING ORDER.
HELD IN A RETAILERS CASE.
COVERED BY THE { I am sure} Original
THICKER THAN A CLOCK DOME GLASS DOME,
REGROUND BASE FITS BASE WELL.
HEIGHT REDUCED BY 1/4" ?
NO LONGER HELD TIGHTLY,FOR TRANSPORT, BY LID.
I DON'T KNOW WHAT WENT UNDER DOME PIC 8.