The machine serial number is located on the knee casting. Standing in front of the machine, crank the Y axis handle to move the saddle to the rear of its travel. The sliding guards will move to the rear exposing the stamped number. Most serial numbers start with a '12/BR' which signifies a 12' Y axis travel, however, for earlier machines, pre 60's, the serial numbers start with 'BR' which signifies a 9' travel. Download Chessbase 10 Portable Table Saw.

The numbers were started in 1938 with #1 and today are close to the 300,000 mark. Sevanthi Poo Malai Kattu Song Download on this page. The 50,000 mark was passed in the 1960's and the 200,000 mark in the 1970's. The 1980's and 1990's have brought the numbers close to the 300,000 mark. Along with the machine serial number each milling head is numbered. They are stamped on the main housing and also on a tag on the upper drive. These numbers are prefixed with the model of the head. The most common are 'M', 'J', '2J'.

The M model is a 1/2hp older head that was out of production sometime in the 1960's. The J head is a 1hp V-belt drive head that was the main work horse for many years. The 2J variable speed head was first introduced with a 1 1/2hp motor. This was later changed to a 2hp motor. The 2hp heads have a 2 at the end of the head serial number. The following is a breakdown of machine s/n's in relation to the dates manufactured.

Bridgeport Milling Machine Serial Numbers. BRIDGEPORT MILLING MACHINE 'J' HEAD SERIAL NUMBERS The serial number is on the knee of the machine It can be obscured. Is there a serial number reference/database somewhere that will help decrypt Bridgeport mill serial numbers? Also, any tips or pointers in dating the machines so I.

A full view of a Sharp Machinery 3 axis vertical mill. An example of a Bridgeport clone. The head is mounted on the ram by joints that allow it to swivel in two directions.