The Railway Educational Bureau Shop Practice & Shop Measurements Lot of 2 for Sale

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The Railway Educational Bureau Shop Practice & Shop Measurements Lot of 2 For Sale

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The Railway Educational Bureau Shop Practice & Shop Measurements Lot of 2:
$25.00

RailroadTreasures offers the following item: The Railway Educational Bureau Shop Practice & Shop Measurements Lot of 2 The Railway Educational Bureau Instruction Paper Unit SS.1 Shop Practice & Unit SS.2 Shop Measurements LOTInstruction Paper Unit SS.1 Shop Practice Soft Cover 30 pages Copyright 1916CONTENTSShop Practice GeneralRailroad Shops and Shop WorkShop Organization and ManagementShop LayoutsStorehousePowerhouseMachine and Erecting ShopMachine ToolsBlacksmith ShopFoundryFreight Car ShopPassenger Car ShopPlaning MillThe RoundhouseExamination QuestionsPull out diagramsSHOP PRACTICE GENERALRailroad shop practice includes such a great variety of manufacturing and repair work that many volumes could be written upon the subject. It will be the endeavor in presenting the Railway Educational Bureau\'s SHOP PRACTICE COURSE to cover as thoroughly as possible the most important features of the subject. Shop work naturally is divided into various classes, and the Bureau lessons on the subject will be arranged to group the classes of work accordingly.
Instruction Paper Unit SS.2 Shop MeasurementsSoft Cover31 pagesCopyright 1917CONTENTSGeneralStandard of LengthMeasuring InstrumentsEngineers Pocket RuleSteel RulesShrink RulesKey Seat RuleTapelinePlumb BobSpirit LevelSquareCenter SquareDividersCalipersCaliper SquareMicrometersScrew Thread MicrometersVernier CalipersGagesSheet Metal and Wire GagesTable of Sheet Metal and Wire GagesCenter GageScrew Pitch GagesSurface GagesProtractorCombination BevelExamination QuestionsSHOP MEASUREMENTS GENERALFew of us stop to consider in these busy days of what is often called the \"industrial era of the world\'s progress, \" that all of the standards used today in making various measurements of distance, capacity and weight are of comparatively recent origin. From time immemorial there have been methods of measuring length, capacity and weight; but with few exceptions there were no definite standards by which the various arbitrary units employed by different nations could be checked for accuracy. Many of the units were based on the simplest physical comparisons. For example: If an Indian wished to state the distance between two points, he would say it was so many days\' journey. In Asia, where the skins of animals were sewn up and used to carry wine and water, a quantity of liquid was referred to as so many skins of wine, etc. On the other hand, there is every reason to believe that thousands of years ago certain races of people had standards of weights and measures better than, or equal to, those we have today. The great pyramid at Geezeh, in Egypt, is an example of refinement of workmanship and measurements that has perhaps not been matched by any other structure before or since that time.
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