Serial Number Dating Question. Are Leslie serial numbers connected to age in the late 6. I only guessed my 1. On the Hammond and Leslie Age List it looks like the serials are related to age, but can someone confirm Serial FB1. So if they go by age, mine would be before this, most likely 1. Hammond Organ Serial NumbersAlso, I never looked at it before, but my Leslie is plywood and not particle board, putting it at or before 1. Airtel Wifi Modem Configuration here. Ms Office 2007 Professional Edition. Ill have to check date codes I think. What ones are the easiest to findB3 Hammond Organ Players YoutubeThe Hammond organ is an electric organ. Hammonds New B3 contains similar switches to emulate this. Wurlitzer Organ Serial Numbers. The Hammond Hire H. Modo Keygen Mac Adobe. Box debut. When one of our restored Hammond B3 appears on a classical stage it can put fear into the orchestra.