My Gritzner R (Selecta) “Lewenstein” sewing machine. Also manuals, hints and tips, dating and cleaning of machines. Information on antique and rare sewing machines. Restoration and Refurbishment Projects For Sale. Vintage Sewing Machine Refurbishment and Restoration Projects For Sale. Serial numbers on Singer sewing machines manufactured prior to 1900 are numbers only. Singer Sewing Machines were first manufactured in 1851. ' I hope this will help you in dating yours.įirm was established by Maximilian Gritzner at Karlsruhe, Durlach in. Gritzner achieved two million sales in 1910, I think. It's all a little bit vague as some people say Gritzner achieved its one million sales in 1902 - I don't know off-hand. Take your serial number away from 1 million (the first serial # if there are two), divide the remainder by 91,000 to give you a number of years then take those years away from 1901. With Gritzner (million sales in 1901), it worked out to 91,000 per year. Then divide a million by that number and you have a rough calculation of how many machines they made per year. The most common way of dating them is spotting an advert that says 'This year we will have made a million machines!' - take the year the company started away from the year of the million sales announcement. When I contacted John Langdon about my Gritzner, although he said he didn't know a lot about German sewing machines, he sent me this on dating mine: 'German machines were not well documented at all. › ★ Gritzner Durlach Sewing Machine Serial Numbers
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