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Rockford Grade 320 (Model 1) Production Metrics

Grade:

320

Size:

12s

Model:

1

Total Runs:

6

Total Produced:

2,800

Production Era:

1908 - 1913

Earliest Serial:

#772,001

Latest Serial:

#922,000

Rockford Grade 320 (Model 1) Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1908,1911,1913]
[800,1000,1000]

Rockford Grade 320 (All Models) Production Metrics

Grade:

320

Size:

12s

Model:

1

Total Runs:

6

Total Produced:

2,800

Production Era:

1908 - 1913

Earliest Serial:

#772,001

Latest Serial:

#922,000

Rockford Grade 320 Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1908,1909,1910,1911,1912,1913]
[800,0,0,1000,0,1000]

Rockford Grade 320 Production Runs

Run Sequence Run Start Run End Quantity Est. Production Year Profile Code
1 772,001 772,100 100 1908 12S-M1-17J-HNP-A
2 773,201 773,400 200 1908 12S-M1-17J-HNP-A
3 774,901 775,000 100 1908 12S-M1-17J-HNP-A
4 789,101 789,500 400 1908 12S-M1-17J-HNP-A
5 874,001 875,000 1,000 1911 12S-M1-17J-HNP-A
6 921,001 922,000 1,000 1913 12S-M1-17J-HNP-A
RUNS

6

 FIRST

772,001

 LAST

922,000

 ESTIMATED PRODUCTION

2,800

 PRODUCTION ERA

1908 - 1913