The pages linked in the right-hand column contain lists of volumes that are of the same order of magnitude (power of ten). Rows in the table represent increasing powers of a thousand. (Note: dam3 and hm3 stand for cubic dekameter and cubic hectometer respectively. The terms in the left-hand column are common terminology.)
... Museum[?], Cambridge
Cornwall
Barbara Hepworth Museum[?], St. Ives, Cornwall
Penlee House, Penzance[?]
Tate St. Ives[?]
Cumbria
Abbot Hall Art Gallery[?], ...