The Bruning boys work for another blueprint company. 1893 Frederick Post, Charles Bruning, and Jacobi form their own blueprint company in Chicago under the name Post, Jacobi, & Bruning. 1962-1975 -The numbers were converted to a 68-xxxx number series. The downloadable charts are a matrix of Dietzgen slide rules, catalogs and price lists that was compliled by Bruce Babcock, Ph. and was published in the Journal of the Oughtred Society (JOS) October 1996, Volume 5, Number 2.All these firms produced slide rules under their name as well as their primary business of drafting supplies: 1867 Keuffel & Esser, form an engineering supply house 1878 Eugene Dietzgen immigrates from Germany and settles in New York where he goes to work for Keuffel & Esser, now 11 years in business in the US. 1880 The Bruning family arrives from Nyborg, Denmark and settles in Cincinnati. 1885 Eugene Dietzgen starts a business in Chicago that later becomes the Eugene Dietzgen Co. Charles Bruning, his brother Jacob, and cousin Frederick Post arrive in Chicago. The use of the "N" prefix is not always consistent.Fred Post goes to work at Eugene Dietzgen's company. Removal of the "N" prefix also indicated a variation in the model.1963 - The change from state abbreviations to two letter codes (Colo. to IL) 1967 - The use of 5 digit Postal Zip Codes in USA addresses now mandantory. 1896 Charles Bruning leaves Post & Jacobi, and after a honeymoon in Europe, returns to the US and settles in NYC. He sells his blueprint business interests to George W. 1899 In April, Charles Bruning returns to NY and starts the Charles Bruning Co. The Fuller and Thacher's slide rules had their own serial number systems. There were logical groupings of numbers and dash numbers were used to depict length variations of a given rule type.
At that point, the guy could actually consider transgender dating or transsexual dating.Found on manuals and other slide rule ephemera: 1909 - Copyright Act on published works passed by Congress. 1951 - 3 digit Area Codes in Phone numbers implemented by AT&T (Developed in 1947). 1897 New York Blueprint Paper is founded by Charles Bruning in January. The common rules were produced in regular batches but the specialty rules did not sell as well and a given batch of rules might stretch over several years.COPYRIGHT XXXX and © XXXX 1943 - 2 digit Postal Zone codes to increase efficiency of delivery because of a wartime shortage of staff. 1963 - The use of 5 digit Postal Zip Codes in USA addresses adopted but not mandantory. 1898 After a fire, Bruning rebuilds the New York Blueprint Paper Co., only to close it and return to Chicago. It is not uncommon to find rules in the 1960s in 68 xxxx series packaging but 4000 series model numbers on the rules.We talk about what it means to be a transsexual woman, what she feels, how she thinks, what she wants and doesn't want.We also discuss how a man needs to deal with the typical transsexual woman, what she is and is not.