Gralab Model
 New GraLab Model 450 Digital Enlarger Timer $224.97 
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 GraLab Model 450 Electronic Enlarging Timer 450R $242.63
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 GRALAB ENLARGING TIMER MODEL 450 CLEAN LOOK $150.00
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 GraLab Darkroom Timer Model 300 Q56 $129.99
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 Nice Gralab Model 300 60 min Timer Box Mint 12616 $117.00
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 Gra Lab Universal Timer Darkroom Model 170 Dimco Gray $100.00
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 GraLab Model 300 Metal Case Darkroom Timer 12564 $77.00
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 Gralab Timer Model 450 Enlarger Darkroom Photography $79.95
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 GraLab Model 171 60 Minute Timer 12788 $68.00
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 GraLab Model 300 Darkroom Photography Timer $68.00
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 Vintage Lot of 3 Timers Timer GRALAB 300 + Time O Light Models EZC 73 GR 72 $79.95
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 GraLab Model 400 Darkroom Photography Timer 11888 $67.00
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 GRA LAB GRALAB TIMER MODEL 171 120V 2 600W TUNGSTEN LOAD OUTLETS 60 MINUTE $55.00
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 GRALAB Model 300 Darkroom Industrial TIMER $69.99
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 GRA LAB ELECTRIC DARKROOM TIMER MODEL 300 Enlarger Safelight $65.00
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 VINTAGE GRALAB DARKROOM TIMER MODEL 300 DIMCO GRAY CO $49.99
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 GraLab Model 171 Gra Lab Dark Room Timer Great Working Condition $59.99
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 Dimco Gray Company GraLab Model 300 Darkroom Timer $39.99
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 GRALAB MODEL 300 DARKROOM PROCESSING TIMER $43.00
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 GraLab Model 300 Safelight Darkroom Timer GRA LAB FILM PHOTOGRAPHY DEVELOPING $50.00
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 Gra Lab Model 300 Timer Used $49.98
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 Vintage Model 300 GRA LAB Darkroom Photography TIMER w Buzzer $19.99
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 GraLab Timer Model 300 Darkroom $19.95
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 Gra Lab Model 300 Darkroom Timer Glow in the Dark Sports Timer $16.99
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 GRA LAB DARKROOM PHOTOGRAPHY TIMER MODEL 300 WITH BUZZER $0.99
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 Used Dimco Gray Co GraLab Timer Buzzer Model 165 60 Minutes Outlet N R $4.99
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 GraLab Darkroom Timer Dimco Gray Model 165 White Face $9.99
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 Gralab Model 300 darkroom timer very good condition $7.50 (2 Bids)
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 GRALAB MODEL 300 DARKROOM TIMER $0.99
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 GraLab Model 655 60 Minute Timer Intervalometer $409.00
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 GraLab Model 555 60 Minute Electronic Switching Timer $385.00
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 GraLab Model 451 99 Minute Electronic Timer $305.00
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 GraLab Model 450 99 Second Electronic Timer $279.00
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 GraLab Model 300 60 Minute Darkroom Timer $191.00
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 VINTAGE DARKROOM TIMER PHOTO DEVELOPER TIMER PRINTING GRALAB MODEL no300 $135.99
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 GraLab Lab Darkroom Timer Model 605 $77.60
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 Gralab Model 300 Darkroom Timer $75.00
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 Gralab 15 hour lab kitchen timer Model 256 NEW $75.00
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 GRALAB MODEL 300 DARKROOM TIMER 125 V 750 WATTS WORKING 146143 $69.00
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 darkroom timer gralab model 300 $38.99
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 1950s Retro Countdown Timer Dark Room GRALAB Model 300 $35.00
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 GraLab Darkroom Timer model 171 Gra Lab ships Worldwide $34.95
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 GRALAB Model 300 Darkroom Timer Works great Only 25 $25.00
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 GraLab Darkroom Timer Model 300 clean and in good working condition $19.99
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 GRALAB DARKROOM TIMER MODEL 300 IN GOOD SHAPETESTED LOOK $9.99
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 GraLab Model 400 Darkroom Photography Timer $5.00
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 GraLab Model 300, 60 Minute Photography and Darkroom Timer, 7-1/2" Length x 7-1/2" Width x 2-1/2" Height List Price: Sale Price: $114.76 You save: $76.24 (40%)  Eligible for free shipping!Availability: Usually ships in 24 hours DescriptionGraLab Model 300 photography and darkroom 60-minute timer has a 6.5” 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...  |
 Gralab 560 Timer Footswitch Sale Price: $19.99 Eligible for free shipping!Availability: Usually ships in 1-2 business days DescriptionThe Model 560 Timer Footswitch efficiently controls all electronic timers. Compact and attractive in a durable, formed steel case, the 560 Footswitch features heavy tread on the treadle and a skid-proof base to make use even easier... |
How does this work? gralab timer?
What does this do? Is there an instruction manual for this model 300, this is used for dark rooms and photography? Thanks 
Gralab has many different timers. Some are just just like a stopwatch, and would be used in a darkroom to time various processes exactly. They also have timers called intervalometers, which are used to control something over a period of time. In photography, an intervalometer is used to trigger a shutter at specific intervals or times, over a set period of time. An example would be using the timer to take pictures of a flower blooming, by shooting a frame every 10 seconds over a time period of 15 minutes.
There are such controls available for every major brand of DSLR, at a much lower cost. Some cameras even have this sort of control built in to the body.
GraLab Model 171 Timer
Tags: & · 300 · 60 · darkroom · gralab · gralab model 171 · gralab model 300 · gralab model 300 darkroom timer · gralab model 450 · gralab model 451No Comments
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