Original model n.d., first edition 1857; this cast n.d.
Original model c. 1875; this cast n.d.
Original model 1843; this cast n.d.
original model n.d., first edition c. 1840; this cast n.d.
Original model undated; first edition c. 1870; this cast n.d.
Early 20th century
Original model n.d., first edition c. 1838; this cast n.d.
original model n.d., first edition c. 1874; this cast n.d.
Original model n.d; this cast possibly 1838-1850