Exec - Executive. My thanks to both authors! Diamond logo in use on blades by September, and perhaps on some razors and sets during or after Christmas. FB - Fatboy. Origin of the Tech "Fatboy". Treat yourself with a learning information site for lady gillette adjustable date tech gillette models. However, if the razor is all alone in the picture, it is more difficult to identify the correct razor type.

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Sometimes patent dates are a help, but they give you the front end of the date scale, and not always too exactly. Some razor makers put serial numbers on their razors, but we don't always have the key to how the serial numbers fit to dates of manufacture. Gillette is one manufacturer for whom we have information on serial numbers and later date of manufacture codes that we can link to time. Other makers included serial or manufacturing codes, but we do not have the keys. AutoStrop and Rolls are two well known manufacturers who serial numbered their razors. If you have the key to another manufacturer's codes, please share this information with other collectors. This corresponds to the time King Gillette was directly associated with the business, and may have been at his insistence. These serial numbers were on the top of the guard, or sometimes the inner barrel. There were no razor serial numbers from until Gillette Date Codes were used from January until They are found in the top left and right corners on the underside of razor guards, both 3 peice and 1 piece models. The letter represents the year, found on the chart below, and the number correspond with the quarter of the year. The blade system adopted in is still in use today, and was used on razors as well after All the coding systems are listed below.

Sometimes patent dates are a help, but they give you the front end of the gillette safety razor dating scale, and not always too exactly. Some razor makers put serial numbers on their razors, but we don't always have the key to how the serial numbers fit to dates of manufacture.

Gillette is one manufacturer for whom we have information on serial numbers and later date of manufacture codes that we can link to time. Other makers included serial or manufacturing codes, but we do not have the keys. AutoStrop and Rolls are two well known manufacturers who serial numbered their razors. If you have the key to another manufacturer's codes, please share this information with other collectors. This corresponds to the time King Gillette was directly associated raor the business, and may have been this web page his insistence.

These serial numbers were on the top of the guard, or sometimes the inner barrel. There safty no razor serial numbers from until Gillette Date Codes were used from January until They are found in the top left and right corners on the underside of razor guards, both 3 peice and 1 piece models. The letter represents the year, found on the chart below, and the number correspond with the quarter of the year.

The blade system adopted in is still in use today, and was used on razors as well gilltte All the coding systems are gillette safety razor dating below. Go to Only DeLuxe models were serial 'd, starting 1-D.

Much of the information on this page has been extracted from the excellent books: "Safety Razor Reference Guide" by Robert K. My thanks to both authors! Steel lot only on blade. Blue blade plain slot and diamonds introduced. Blades get 2x crosshatch. Tech gets parallel oval slots. TV Special this year only. Limited nickle toggle run. Tech prod'n ends in US. Venus for Women, Mach3 style razor. Mach3 "Cool Blue".

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