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Rockford Grade 630 (Model 4) Production Metrics

Grade:

630

Size:

16s

Model:

4

Total Runs:

3

Total Produced:

1,500

Production Era:

c.1908

Earliest Serial:

#749,601

Latest Serial:

#777,000

Rockford Grade 630 (Model 4) Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1908]
[1500]

Rockford Grade 630 (All Models) Production Metrics

Grade:

630

Size:

16s

Model:

4

Total Runs:

3

Total Produced:

1,500

Production Era:

c.1908

Earliest Serial:

#749,601

Latest Serial:

#777,000

Rockford Grade 630 Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1908]
[1500]

Rockford Grade 630 Production Runs

Run Sequence Run Start Run End Quantity Est. Production Year Profile Code
1 749,601 750,000 400 1908 16S-M4-17J-HNP-U
2 752,101 752,200 100 1908 16S-M4-17J-HNP-U
3 776,001 777,000 1,000 1908 16S-M4-17J-HNP-U
RUNS

3

 FIRST

749,601

 LAST

777,000

 ESTIMATED PRODUCTION

1,500

 PRODUCTION ERA

c.1908