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GraLab General Purpose Timer AccessoriesThe GraLab 171 General Purpose Timer is accurate and durable 60 minute timer with a sturdy case and protective covers to prevent corrosion. The timer provides precise timing for industrial and laboratory work with second and minute hand settings. Two grounded outlets allow you to automatically switch external appliances with the GraLab 171. Control one appliance with a switch which will turn it off or on when time elapses. The other outlet will always
Fixes the development of 2 x 35mm (135) film or 1 roll of 120 film in a 2-reel developing tank
a closely guarded proprietary process that entails permanently laminating the filter material in between two pieces of optical glass that are ground flat to tolerances of a ten-thousandth of an inch
fine grain black and white film
Stainless steel housing
It is a black and white film which is processed in C41 type processing chemicals alongside colour negative films
Each Stratus features a large main compartment
Ilford FP4 Plus has become the benchmark against which other medium speed films are judged
yet sturdy enough to get the job done
SC-17 cord for off- camera TTL operation
Dilute 1+7 for paper (Makes 2 Gallons)
Slightly warm image tone
It uses an electronically controlled
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