Category: Engineering & Technology
Arithmetic. Some Signs Employed in Calculations. Powers and Roots. Proportion. Elements of Practical Geometry. Geometrical Drawing. Drawing Instruments. Geometrical Drawings. the Micrometrical Dividing Table. Other Methods of Dividing Into Equal Parts. to Subdivide a Circle. T...
Arithmetic. Some Signs Employed in Calculations. Powers and Roots. Proportion. Elements of Practical Geometry. Geometrical Drawing. Drawing Instruments. Geometrical Drawings. th...
2. Part II. Materials Employed in Horology.Iron. Cast Iron. Steel. General Observations. Special Observations. Determination of the Qualities of Steel. Preparations of Steel. Hardening. Tempering. to Whiten and Blue Stee...
3. Part III. Health and Manipulation.Preservation of Health. the Sight. the Body in General. Use of the File and Graver. to File Flat and Square With Both Hands at Once. to File Flat With One Hand. to Turn Cylindri...
4. Part IV. Tools and Appliances.Workshop Fittings. the Lathe. the Foot Wheel. the Bench. Idlers. Chucks. the Slide Rest. Gravers and Other Hand-turning Tools. Drills. Lathe Attachments. Miscellaneous Small Too...
5. Part V. Repairing and Examining Watches.Method. External Examination of the Watch. to Examine a Geneva Movement. Accessories For Beginners. Cleaning the Watch. Putting the Watch Together. to Examine English Or America...
6. Part VI. Practical Recipes.the Plate. the Barrel. Including Arbor, Stopwork, Mainspring, Etc. the Mainspring. the Fusee. Chain. Wheels. Pinions. Set-hands Square. Pivots. Bushing Pivot Holes, Etc. Depths....
7. PART I.=1.= We often hear the theory advanced that in this country, at the present day, it is not necessary to have a knowledge of arithmetic, geometry, drawing, etc., because our inte...
8. PART II.=54.= Iron is an elementary body, that is to say it cannot be decomposed. It is the most tenacious of the metals, having a breaking strain of about 75 kilo. per sq. mm. (or 106,...
9. part 18-carat gold, and he affirmed that this alloy became polished atDumesnil proposed an alloy of 2 parts copper, 1 part silver, and 1 part zinc, all perfectly pure. Lecocq made chronometer balances in which the brass was replaced by pure silver...
10. PART III.=217.= Some of the following directions may perhaps be considered to be over-minute and too restrictive; but they are not so. Good habits contracted in youth are easily maintain...
11. PART IV.=229.= Before proceeding to describe the various forms of lathes and the several small tools that the watchmaker should make for himself as occasion offers, either during his ap...
12. PART V.The best watchmakers, and practical men generally, take their work in a certain order, from which any departure is exceptional. By this means they avoid the necessity of doing w...
13. PART VI.=495.= The practical operations of the watchmaker are numerous and of a very varied character. Detailed instructions in regard to the proper conduct of a large number of them wi...
14. Chapter V. The grinding and polishing; the reversal of the work; the15. Chapter VII. The finishing of the staff; pivoting; making pivot drills:=Watch Repairing.= By N. B. Sherwood. Contents: The Bench and its Accessories; The Vise and Oilstone; Lathe Appliances; The Jacot Lathe; Depthing Tool; Expanding the Web of a Wh...