Here are Western Electric water decals used on Antique telephones and antique telephone apparatus. They are Exact copies of the originals.

 These decals really compliment you ringer boxes and telephones, magnetos ect. Very easy to apply. 

Western Electric measures 1 5/8"x1/2"

                                               Directions  on Applying a Water Decal 

1   Soak in luke warm eater in a cup or bowl for approx 3 minutes until the decal will slide off of the paper  

                          2 slide gently off the paper onto the substrate

                          3 Smooth out bubbles and let dry overnight 

                         With a few times doing this you will become good it it . I did this as a young child 7 years  of age. Companies sent you free decals and stickers for the asking . If you need more help go to Google How to apply a water decal ?   Thousands of articles