Tempere & Peragallo, 1st edition, #79, Japan, lignites

Tempere & Peragallo, 1st edition, #570, USA, Fitzwilliam

Tempere & Peragallo, 2nd edition, #831, USA, Fitzwilliam

Tempere & Peragallo, 2nd edition, #885, USA, New Jersey, White Lead Lake

Van Heurck #274, Norway

Van Heurck #544, USA, New Hampshire, Bemis Lake

H.L. Smith #47, USA, New Hampshire, Saco Pond

Cleve & Moller #274, USA, New Hampshire, Bemis Lake