Name/Title
Meter, LightEntry/Object ID
2000.137.028 A BDescription
A: Round disc has two overlays that can be turned to find proper exposure
according to amount of light, time of day, or year, type of subject, which fit
into envelope.
B: Envelope front reads "A turn of the dial shows the Correct Exposure".
Six exposure discs, fit the Vest Pocket. Price 25c.
Burke & James, Inc. Chicago.Collection
Photography EquipmentLexicon
Nomenclature 4.0
Nomenclature Primary Object Term
Meter, LightNomenclature Sub-Class
Photographic AccessoriesNomenclature Class
Photographic T&ENomenclature Category
Category 06: Tools & Equipment for CommunicationDimensions
Width
2-3/4 inLength
3-1/2 inGeneral Notes
Note
Notes: Measurements are for envelope.