From the 1928 series E catalog, page 32
The catalog shows the 1928 80J, while 03040 is a 36J, which is larger in proportion.
V & E Simonetti Historic Tuba Collection
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From the 1928 series E catalog, page 32
The catalog shows the 1928 80J, while 03040 is a 36J, which is larger in proportion.
