The model codes start with M18B … Entry level Milwaukee range. When compared to the Fuel range, performance levels are approximately halved – for example torque/power is 60Nm versus 135Nm. The model codes start with M18CBL … Designed for medium duty applications. Possibly the highest performing cordless range available to date and our recommendation for performance and reliability. The model codes start with M18F for Generation 2 and 3 tools and M18ONE for ONE-KEY enabled tools … Designed for heavy duty industrial applications. To aid the selection process, use the following as a guide, in order of the highest performance to the lowest. It is much appreciated.)ġ895 to 1903: A number date code impressed into pieces by itself (No circle or diamond).Milwaukee have done just that, adding a third level of cordless tools to their already significant M18 range. for the tedious work of reviewing these charts and offering corrections. Diamond codes with numbers are repeated so knowledge of your backstamps will help (example, a piece marked with 'OPCO Syracuse China', date code 6 in a diamond would be 1912). Codes in circles are pre-1911 and codes in diamonds are post-1911. If it is stamped in ink, it is generally post-1920s. Other things you will need to know to date your items: How the code is stamped? If it is impressed into the ware, it is pre-1920s. Pieces marked with 'Ivory', 'Adobe Ware','Econo-Rim' are circa 1930 to circa 1960s. Items marked with 'Syracuse China' are generally post-1895 with only a few exceptions that are pretty hard to find. Items marked with 'Corp' or 'Corporation' date post-1971.

stands for Onondaga Pottery Company and pieces marked with these letters date pre-1966. First, a basic understanding of the backstamps will be helpful in estimating an era (see ).Ī simplified but not complete marks guide would be: O.P.Co. There are a few things you will need to know to date your items.

At first glance the repetitive series of numbers and letters can seem confusing, but we hope the following tables with simple explanations will help you date your pieces with ease. When attempting to match a backstamp with a date, take a few minutes to read through all the charts below before latching onto one that seems to fit.

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