The Kodak Salesman . accurate gauge isemployed to determine the diame-ter, the accuracy of which is alsowell within two or three hundredthsof a millimeter. Another inspectionis now made and finally the com-pleted lenses are carefully wrappedin tissue paper and stored in stockvaults until needed for mounting. The mounts, which are of metal,must be made with the greatest ac-curacy, since the distance betweenlenses where more than one is util-ized, as is especially the case withanastigmat and rapid rectilinear lenses, is scarcely of less importancethan the curves of the lenses them-selves. These
The Kodak Salesman . accurate gauge isemployed to determine the diame-ter, the accuracy of which is alsowell within two or three hundredthsof a millimeter. Another inspectionis now made and finally the com-pleted lenses are carefully wrappedin tissue paper and stored in stockvaults until needed for mounting. The mounts, which are of metal,must be made with the greatest ac-curacy, since the distance betweenlenses where more than one is util-ized, as is especially the case withanastigmat and rapid rectilinear lenses, is scarcely of less importancethan the curves of the lenses them-selves. These mounts are japannedand each is marked with a serialnumber by which it can afterwardbe traced. The lenses are placed inback or front mounts as the casemay be, each then being played overa blast of air to remove every ves-tige of dust and dirt. They arefinally assembled with the shuttersand given a last thorough inspectionon a special testing bench. Herethe mountings are carefully exam-ined and tests made to determine. Polishing ^ KODAK SALESMAN whether the lenses have tlie correctfocal length, whether the imageswhich they make are sharp or notand whether the images run out oftrue or are decentred in any way. With this last inspection onestour through the Kodak Lens Fac-tory naturally comes to an end. Thefact that only the best of material isutilized and is selected accordingto rigid specifications and formulae,that every dimension is carried toless than a thousandth of an inchand that infinite care and patience isemployed in every manufacturing process and every one of the manyinspecting operations at once stanapseach lens turned out by this plant assomething extremely precise. Onemust ungrudgingly bestow his meedof gratitude to the careful workmenin such a plant without whose prod-uct high grade and accurate pic-tures would be an impossibility. Itis this same careful selection ofmen and material; this same ultra-accuracy that has made possible theKodak Anastigmat lenses
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Keywords: ., bookcentury1900, bookdecade1910, bookidkodaksalesma, bookyear1917
