Here is an article that come through on Facebook that explains some of the math behind Equal Temperament used in piano tuning. It talks about the twelfth root of two as a number to get the frequency of the notes of the scale.
A fascinating article about how complex it is to play the piano
This graph shows the temperature (red line) and humidity (yellow line) for a period of over a year. This was taken in the sanctuary of North United Methodist Church in Indianapolis. Notice the overall sine wave up and down from winter to summer. Also notice the huge peaks that happen within a few days when the weather changes dramatically outside. All this is happening while the temperature stays very constant.
For the most part telling if your keys are ivory or plastic is simple. These below are ivory. Notice how there is a seam between the wide part of the key and the narrow part that goes between the sharps. This two piece design was done to keep from wasting precious ivory.
These below are plastic. They are one piece. The newest molded keytops have the front of the key molded into the same piece as the top. Plastics have come a long way and almost all new pianos have plastic keytops.
Exception to the rule. These below are from a Hamburg Steinway which is expensive enough to have one piece ivory keytops. Notice the grain in the keytop, which is not usually present in plastic keytops. There are some plastics which have a fake grain but it is usually very straight and regular.
Chances are if your piano is older than the 1930s, it had ivory keytops, after that are plastic or celluloid. They keytop are just a thin wafer on top of a wooden key, so they can be replaced.
Have you wondered how you clean dust and dirt out from under the strings? There is no vacuum that will pull the dirt up through the strings. It is best to have me do this cleaning but I will show you the process. The important tool is a long strip of steel to push a rag under the strings.
Here is the cleaned out soundboard.
I have a new way for you to set up an appointment. Just click the Booking Appointment link in the main menu and you will see instructions. Just fill out the form there. Then I send you an email with a customized link to the schedule. It only takes a minute and eliminates phone tag!
Tom and Jerry Piano Tooners, a cartoon from 1932