Understanding Pocket Watch Parts

parts of a pocketwatch
1.  Case screw
2.  Upper pallet pivot hole jewel
3.  Upper escape wheel hole jewel
4.  Hairspring
5.  Upper forth wheel hole jewel
6.  Upper third wheel hole jewel
7.  Case screw
8.  Mainspring barrel
9.  Barrel bridge
10.  Upper barrel arbor pivot
11.  Hairspring stud
12.  Balance cock
13.  Regulator star micro adjust
14.  Regulator
15.  Balance wheel
16.  Hour chapter
17.  Minute chapter
18.  Enamel dial 
19.  Outer bit
20.  Center bit
21.  Seconds bit
22.  Dial feet
23.  Outer bit
24.  Center bit
25.  Seconds bit
26.  Lower third wheel hole jewel
27.  Center shaft and cannon pinion
28.  Click spring
29.  Ratchet wheel
30.  Barrel arbor square
31.  Ratchet cock
32.  Intermediate winding wheel
33.  Yoke
34.  Crown wheel
35.  Setting wheel spring
36.  Setting wheel
37.  Minute wheel and pinion
38.  Lower pallet arbor hole jewel
39.  Escapement inspection holes
40.  Lower escape wheel hole jewel
41.  Lower forth wheel jewel
42.  Lower balance pivot cap jewel
43.  Hour wheel