show to the best advantage under the very conditions that would cause failure with another plate.

They have speed enough and to spare without the slightest impairment of portrait quality.

From An Artura Iris Print By Cornish & Baker Kansas City, Mo.

From An Artura Iris Print By Cornish & Baker Kansas City, Mo.

Fixing Flat

In the last few numbers we have dealt at length with the troubles that arise from trying to fix plates in a fixing bath improperly made up. Stress was laid, in particular, on the absolute necessity for following the printed directions even in the minutest detail, such as the order in which chemicals should be mixed.

There's another part of the fixing process which is well worth attention. It would seem that fixing "on edge" has so many advantages over fixing "flat" that every studio should follow the former method. Do you fix "flat" or "on edge"?

It stands to reason that plates will fix more quickly and more evenly, each on edge, in its own compartment, in a box, than when allowed to lie at the bottom of a tray where they are partly covered by other plates and more or less buried in the sediment collected at the bottom of the bath.

Fixing flat is responsible for more trouble in negatives than one could well imagine unless he has had his lesson.

Spots and stains of the annoying and discouraging kind, pit marks too, which you get on any plate without being able to trace the cause, have been known to vanish as mysteriously as they came, following a change from fixing flat to fixing on edge.

Another annoying trouble that is due to fixing flat is the presence of fine particles of glass in the emulsion. Almost without exception this trouble is not noticed until the plates are washed and set in the rack to dry, proving that the trouble is not in the plate, but crops up in the processes after exposure.

However careful one may be, it's impossible to prevent plates from bumping against one another when laid flat in a fixing bath. Particles of glass are chipped off and lodge on the emulsion surface, where they stick fast as the plate dries.

Fixing "flat" is not the logical way: Fix on edge and you'll get better and cleaner negatives.

A Time Saver

As the holiday rush grows fiercer and fiercer, every photographer is on the lookout for goods or schemes that will help him get his work out on time. A real time saver is the Eastman Mask Chart, for you know that delays on account of masks entail a lot of fussing as well as the delay itself, and you are put back a great deal more than the actual loss of time.

The Price

8x10.....15c per dozen

11x24.....30c per dozen

From An Artura Iris Print By Cornish & Baker Kansas City, Mo.

From An Artura Iris Print By Cornish & Baker Kansas City, Mo.