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300 mechanical timer 100/130v 50Hz

Minutes and seconds can easily be read across the room in total darkness‚ making the 300 ideal for darkroom use‚ especially the precise timing required by color processing. The 60 minute time range can be in minutes for developing and seconds for enlarg


Out of stock

Out of stock

SKU: GR300S Categories: , , Brand:

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California customers: Proposition 65 WARNING