CARD INDEX FOR THE JOURNAL OF CHEMICAL EDUCATION H.4-
L. ELDER.SWISSVALE HIGESmoo~.Sw~ssvil~e, PENNS~VANIA
This article describes a practical, up-to-the-minute index for persons using OF CHEMICAL EDUCATION frequently as a reference. Although the JOURNAL very complete, the index i s inexpensive and i s oery flexible, lending itself well to almost any type of indexing required. Ordinarily 3" X 5"file cards which may be typed, h a d p r i n t e d or written are used. The type of holder used depends entirely upon the number of cards i n the index and of course can be changed to suit the i n d i d u a l taste and pocketbook.
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Having found a wide varieiy of uses for the JOURNAL OF CHEMICAL EDUCATION in my science classes, I felt the need of some kind of system whereby the work of looking up articles on various subjects might be lightened. Of course the yearly index was a great help but often the need of a monthly index made itself evident. The following system was evolved and is being passed on for whatever value it may be to others who use THIS JOURNAL constantly. The first item to be considered was expense, and the method used is very inexpensive since the index consists of ordinary 3" X 5" file cards. Most of these are ruled on one side only but may be obtained with ruling on both sides. The type of holder to be used for these cards is governed largely by the number of cards. A very satisfactory file with index and capacity of three hundred cards may be purchased for about fifty cents. The second point to be considered is ease of handling and flexibility, and this method has both of these qualities. The cards may be typed although this is a rather tedious task for any one, even an expert typist. Hand-printed or hand-written cards serve the purpose equally as well as the typewritten ones and can be handled more rapidly. The important past of the index is the number and names of the divisions to be made. The fewer in number the sections, the more rapidly the magazines can be indexed. However, the number of sections should be great enough to include all types of articles with a minimum of overlapping. Those who are interested in certain phases only can use the names of these phases as division titles. Thus persons interested in physical chemistry only may use this as the main division and include such subdivisions as be may require. Therefore, the number and name of divisions may vary with the individual. Being interested in all types of articles, I have included in my index titles which include all articles. The following list will give an idea of the completeness and variety of general indexing. Subdivisions may be inserted as desired. 534
VOL.8, No. 3
CARD INDEX FOR THIS JOURNAL
Index Divisions Agriculture Allays Aluminum American Institute of Chemists Ammonia Ammonium Compounds Analysis Aniline Atmosphere Beryllium Bibliography Biographical and Historical Biological Chemistry Boron Carbon Compounds Chemistry Clubs Chemical Engineering Chemical Industry Chemical Profession Chemical Warfare China Chlorine Chromium Citrus Coal and Coal Tar Colloids Commercial Copper Corn Corrosion Dental Diamond Drugs Education Eledrochemistry Elementary (High-School) Chemistry Enrichment of Life Enzymes Equipment Europe
Explosives Foods Fuels General (College) Chemistry General Science Health Helium Hydrogen Ion Iodine Lead Leather Legal Light Linseed Oil Memorials Microscopy Nitrogen Organic Chemistry Oxygen paint Phosphates Photography Physical Chemistry Plants. Cement Potassium Preservatives Refrigeration Research Resins Rubber Starch Structure of Matter Sulfur Tantalum Textiles Tin Vegetable Oils Vitamins Water Wood
I n making this index the division title was printed a t the top with titles and dates of articles under this heading written in below. The number of articles t o he listed on a single card will depend upon the amount of information which the individual wishes t o file concerning each article. For my purposes the title and date was d c i e n t and that is all that has been listed, although author names might well have been inserted if desired. The following example will make clear the system which the writer has used.
JOURNAL OF CHEMICAL EDUCATION
536
PHYSIC&CHEMI~TRY Page Mathematics Requirements for Phys Chem. . . . . . . . . . . . . . . . . 254 Discussion .............................................. 258 Problem Method of Teaching Phys. Chem. . . . . . . . . . . . . . . . . . 260 Aims and Viewpoints in Teaching Phys. Chem. . . . . . . . . . . . . . 263 Phys . Chem at Pennsylvania State College . . . . . . . . . . . . . . . . . . 272 Physical Chemistv for Medical Students . . . . . . . . . . . . . . . . . . . 280 Methods of Measuring Osmotic Pressure . . . . . . . . . . . . . . . . . . . 98 VaporDensityofSte am . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 pH Concentration from Thermodynamic View . . . . . . . . . . . . . . 1658
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