Parts and service are available for current VIBROPLEX and BENCHER products. SEMI-AUTOMATIC 'BUG'. No model information corresponds to serial numbers. Dv2000 Linux Drivers. John Elwood, WW7P, did a heroic job of determing the age of Vibroplex keys by serial number. One place to find his document is on the Vibroplex site. This page is intended to help Vibroplex owners identify their bug. If the serial number of your bug is between about 175,000 and 275,000, it’s easy to tell which model you have — just turn it over. The model name should be stamped on the underside of the base. We have a serial number chart available by clicking this link to determine age of your VIBROPLEX key. Please note that no model information corresponds to serial numbers - the serial number only indicates date of manufacture. AUTOPLEX (electromagnetic predecessor) 1902-1905. How To Install Gadgetwide Cloud Control more. K9WDY collection. DOUBLE LEVER - independent dit and.
Click to view PDF Until recently, the Vibroplex Co. Put serial numbers on almost all of its keys, except a few early production runs. Bernina S Service Pack 3 more. However, records of production dates and serial numbers were lost, discarded, or destroyed. There was no way to match a key’s serial number to a date until 1996, when John Elwood, WW7P, published a list of serial number ranges and corresponding production dates. Starting in 1990, John compiled his list from a survey of more than 3000 Vibroplexes, their serial numbers, and the date they were purchased, if known. Owners should apply some common sense to the information in John’s document. As John says, much of the serial number/date table was generated by interpolation.
I believe the dates are accurate to within a year or so. For few years after WW1, Vibroplex advertised the number they had sold, so the dates are very accurate. John has added commas to the serial numbers to make the table easier to read. Vibroplex did not use commas inside serial numbers. When the Vibroplex Co. Changed hands and was moved to Portland, ME in 1979, the serial number sequence was restarted and became fairly erratic.
The company again changed hands and was moved to Mobile, AL in 1995. At that point the serial number sequence was restarted at 100,000. If your Vibroplex has a Portland, ME nameplate, John’s table will help you find when it was made, but John’s table doesn’t include information for Alabama bugs.
The company was sold and moved to Knoxville, TN in 2005. Vibroplex products made there unfortunately have no serial number. Many thanks to John for a truly amazing effort!