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GraLab Darkroom Timer Provides 60 minutes of timing in 1 second increments. Buzzer alarm with volume control. Black face has a single circle of interval time numerals. Phosphorescent hands and numerals. Has two 3-wire outlet receptacles. Chemical and mois
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GraLab Darkroom Timer Provides 60 minutes of timing in 1 second increments. Buzzer alarm with volume control. Black face has a single circle of interval time numerals. Phosphorescent hands and numerals. Has two 3-wire outlet receptacles. Chemical and mois
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