Product code: Wynne's 2024 Infallible Exposure Meter 1900
Wynne's Infallible Exposure Meter 1900 Watch Shaped
Condition looks very good (NOT TESTED)
Made in Wrexham, Wales UK
Face reads DIAPHRACMS AND PLATE SPEED NOS
ACTINO METER TIME AND EXPOSURE IN SECONDS AND MINUTES
Back of meter is blank, also back of case does rotate the little circle(in front)
Meter Type: Actinometer
SEE PICTURES FOR DETAILS 2024