This number is the style of the electric motor. The machine serial number is probably on the big flat machine base just below the electric motor
how old is my baldwin keyboard serial number 91002/28
How old is this piano with serial number 1510355
Please don't put sewing machine questions in "Bands and Artists".
As of November 2013, the age of a Baldwin piano with serial number 246905 would be 32 years old.
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1978
This serial number is not available. I have 278556 ultrasonic Baldwin piano is in 1988.
464712
Baldwin started manufacturing in 1959 at serial number 655948 and then 1960 at serial number 679844. In that case, the serial number 673394 would belong to a Baldwin piano produced some time in the second half of 1959.
The Baldwin Acrosonic piano with the serial number 835830 was likely manufactured in the late 1950s or early 1960s. Baldwin typically assigned serial numbers to their pianos in a sequential manner, and this particular number falls within the range that corresponds to that time period. For a precise year, you may need to consult a Baldwin piano reference guide or contact a piano technician who specializes in Baldwin instruments.
Model 191 serial number f0281405