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| Tools & Home Improvement > Electrical > Switches > Wall Switches > Timer Switches |
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| Product Description 5” face (Diameter), with luminous numerals, dial, and hands for enhanced visibility in darkrooms, two hands for dual settings, and two outlets for automatic switching between an enlarger or printer and a safety light. Two hands allow the timer to be set by minutes for film processing, or seconds for enlarging, or a combination of minutes and seconds. GraLab Model 300 photography and darkroom 60-minute timer has a 6. GraLab Model 300, 60 Minute Photography and Darkroom Timer, 7-1/2" Length x 7-1/2" Width x 2-1/2" Height: Amazon.com: Industrial & Scientific Shipping Weight: 10 pounds | ||||||||
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