Here's your brown bottle ID..
Figure the white bottle dates from the same time period.
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A in a circle.........Armstrong Cork Company (Glass Division), Lancaster, PA; Millville, NJ [former Whitall Tatum Co. plant] ; Dunkirk, IN [former Hart Glass Mnfg Co. plant]. Mark was used from 1938-1969 on bottles and insulators. If there is a line underneath the "circled A", this indicates the bottle was produced at the Dunkirk plant.