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The CS&CSS began publishing catalogs for collectors in 1936 when pioneer member, Dick Green wrote Green's Catalog, which remains the Bible of United States, and worldwide Christmas Seal collecting. Another early author of CS&CSS literature was Ray Mosbaugh who wrote catalogs of worldwide red cross seals, and US fundraising seals issued for ...
Green's Catalog of the Tuberculosis Seals, US National Christmas Seals is a seminal philatelic catalog written by Dick Green, a pioneer member of The Christmas Seal & Charity Stamp Society. Green began his work in the 1920s and portions first appeared as a series in The Western Stamp Collector , a stamp collecting weekly.
The Christmas seal of 1919 is the last issue to display the Red Cross, and is the only one to display both the Red Cross and the double-bar cross of the National Tuberculosis Association By 1920, the Red Cross withdrew from the arrangement and sales were conducted exclusively by the NASPT, then known as the National Tuberculosis Association (NTA).
D, CR: Diode (all types, including LED), thyristor "D" is preferred for various types of diodes DL: Delay line: DN: Diode network: may be simplified to "D" for diode DS: Display, general light source, lamp, signal light: F: Fuse: FB: Ferrite bead: sometimes changed to "L" for inductor, though "E" was used in the currently inactive standard IEEE ...
It is poor engineering to specify a CR instead of an R simply on the theory of enforcing good workmanship. CR is for critical features whose performance truly requires near-perfect geometry. Like most such characteristics, its presence increases the price of the part, because it raises the costs of manufacturing and quality assurance. CRES
The term cross-reference (abbreviation: xref) can refer to either: . An instance within a document which refers to related information elsewhere in the same document. In both printed and online dictionaries cross-references are important because they form a network structure of relations existing between different parts of data, dictionary-internal as well as dictionary external.