The preservation of antiquities

by Friedrich Rathgen

[111] Appelgren, Finskt Museum, 1895, p. 56.

[112] A communication from Herr Schjerning, Copenhagen.

[113] Speerschneider, “Antiquarisk Tidsskrift,” 1858-60, p. 178.

[114] Blell, “Sitzungsberichte der Prussia,” 1881-82, p. 24.

[115] Krefting, “Aarsb. fra foreningen t. norske fortidsmindesm. bevar.” 1892, p. 54.

[116] Salzer, “Chem. Zeitung,” XI. 1887, p. 574.

[117] Probably first recommended by Salzer, “Chemiker Zeitung,” XI. 1885, p. 574.

[118] “Kongl. Vitterhets Historie och Antiqvitets Akademiens Månadsblad,” 1885, p. 134.

[119] The addition of the lime is not advisable, comp. [p. 93].

[120] “Chemiker Zeitung,” XI. 1885, p. 605.