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The document details multiple guided operations (e.g., screw placement, screwdriver use, and insertion of balance screws into bi-metallic balance wheels) with grading criteria based on workmanship quality and 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graded by workmanship condition (scratches, burrs, loose screws, etc.) and the time consumed performing the operation.","https://schema.org",{"og:url":32,"og:type":74,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":76,"canonical":32},"index,follow",{"doc_id":78,"site_id":7},661777,1793180177,{"code":4,"msg":81,"data":82},"success",[83,87,91,94,99,104,109,114,119,122,126],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":84,"show_sort_weight":85,"slug":86},"Story & 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to 20UNIT \\#2TRUING BALANCE WHEELS21 to 36UNIT \\#3BASIC TURNING37 to 52UNIT \\#3ATURNING BALANCE STAFFS53 to 76UNIT \\#3BSTEM MAKING77 to 96UNIT \\#4BURNISHING BAL.PIVOTS97 to 112UNIT \\#5POISING BALANCE WHEELS113 to 128UNIT \\#6HAIRSPRING TRUING129 to 156UNIT \\#7HAIRSPRING VIBRATION157 to 168UNIT \\#8OVERCOILING169 to 184UNIT \\#9WATCH ASSEMBLY185 to 196UNIT \\#9AMAINSPRING BARREL ASSEMBLY197 to 224UNIT \\#9BFRICTION JEWELING225 to 238UNIT \\#10ESCAPEMENT239 to 260UNIT \\#10AHOW TO REPAIR ESCAPEMENT261 to 276UNIT \\#11FINISHING277 to 296SUPPLEMENT TO UNITS\\#10 and\\#10A297 to 304GENERAL REPAIR INFORMATION305 to 314ADDITIONAL SUPPLEMENTS TO UNITS \\#10 AND\\#10A315 to 316  \n# RELIMINARYTRAININGUNIT\n\nSEVENTH EDITION  \nMIND TO CONCEIVE  \nEYE TO PERCEIVE  \nHANDS TO ACHIEVE  \nCoordination in dinger Dexterity  \n500  \nRELIMINARY TRAINING UNIT  \nThe success of almost any pursuit in life depends,to a certain extent,upon a system of coordination between the eye,mind and hands.Theability to coordinate the activities of these three facilities is developedfrom infancy throughout life.  \nThe successful pursuit of the arts,such as sculpture,music and painting,requires an extremely high degree of coordination between a person's eyes,mind and hands.  \nIt is the high degree to which this coordinative ability must be developedin the watchmaker's trade that makes it so necessary for the student toapply himself to the following Training Unit conscientiously.  \nThis unit is designed to develop finger dexterity and reasonable pro-ficiency in the use of the basic tools of the trade.It is during the performanceof this unit that the student forms the correct habits relative to his workingposition at the bench and its associated equipment  \nPractical work ...40 hoursRelated theory...  8 hours  \n# BULOVA SCHOOL of WATCHMAKINGPRELIMINARY TRAINING UNIT\n\nSubject:  \nFinger Dexterity Exercises.  \n## Objectives:\n\n1.To develop finger dexterity.  \n2.To develop proficiency in the use of an eye glass,tweezer,andscrewdriver.  \n3.To accustom the student to the bench and the proper workingposition.  \n## Tools Required:\n\n1 eye loupe (A)  \n1 balance block(D)1 balance screwdriver (E)1 holder (F)  \n1 screwdriver(B)  \n1 pr.tweezers(C)  \nFig.1  \nNOTE:A clean,orderly bench is a prerequisite to neat,accurate work.  \nProficient use of tools is of prime importance where good workmanshipis desired.There is no substitute for practice in the many operations thatare a part of the watchmaking trade.The conscientious application of astudent to this training unit will immeasurably improve subsequent work.  \nBULOVA SCHOOL of WATCHMAKING  \nPreliminary Jraining Unit  \nIn this operation actual plate screwsare used.These screws are to be insertedin pillar plates each containing fiftytapped holes.  \nCare should be taken in this procedureto assure the formation of proper habitspertaining to the actual use of the tools.  \nFig.2 and 3 illustrate the proper useof tools needed for this operation.  \nFig.4 will serve as a guide in estab-lishing proper habits relative to the work-ing position and the location of the vari-ous components which go to make up thewatchmaker's working unit.  \nFig.3(Use of Screwdriver.)  \n5  \n## OPERATION No.1\n\nThis entire operation consists of theplacement of the screws in the holes witha tweezer and the seating of the screwsusing a screwdriver of the proper size.  \nThe completed plate will be gradedaccording to:  \n1.The condition of the finished work,  \ni.e.,scratches,burrs,loose screws,etc.  \n2.The time consumed in the actualperformance of the operation.  \nFig.2(Use of tweezers.)  \nFig.4  \nPreliminary Jraining Unit  \n## OPERATION No.2\n\nOPERATION No.3  \nThis operation is again similar to thepreceding ones,but this time a still smallerscrew is used.These screws are actualstud screws or jewel screws and will begraded on the same basis as OperationsNo.1 and No.2.  \nT","cbCaiq2M7JuhWNdI","https://ap.wps.com/l/cbCaiq2M7JuhWNdI","pdf",52593290,283,"English","# RELIMINARY TRAINING UNIT\n## Seventh Edition\n# BULOVA SCHOOL of WATCHMAKING\n## Preliminary Training Unit\n### Subject: Finger Dexterity Exercises.\n## Objectives\n## Tools Required\n# OPERATION No.1\n# OPERATION No.2\n# OPERATION No.3\n# OPERATION No.4","[{\"question\":\"What skills does the Preliminary Training Unit aim to develop?\",\"answer\":\"It is designed to develop finger dexterity and reasonable proficiency in using the basic tools of the trade, while building correct habits for working position at the bench.\"},{\"question\":\"Which tools are listed as required for the training exercises?\",\"answer\":\"The document lists an eye loupe, balance block and balance screwdriver, a holder, a screwdriver, and a pair of tweezers.\"},{\"question\":\"How are operations like OPERATION No.1 graded?\",\"answer\":\"Completed plates are graded by workmanship condition (scratches, burrs, loose screws, etc.) and the time consumed performing the operation.\"}]","BULOVA SCHOOL of WATCHMAKING - Preliminary Training Unit - Seventh Edition | PDF",713]