Rules and Practice for Adjusting Watches
CHAPTER II
Equipment for Temperature Adjusting 9
7. Various Methods Available. 8. Electrically Equipped Oven, Description and Dimensions. 9. The Lower Temperature Box.
Rules and Practice for Adjusting Watches
Equipment for Temperature Adjusting 9
7. Various Methods Available. 8. Electrically Equipped Oven, Description and Dimensions. 9. The Lower Temperature Box.