Johann Samuel Traugott Gehler's Physikalisches Wörterbuch
Leipzig 1825 – 1845
newly edited by Brandes, Gmelin, Horner, Muncke, Pfaff

17,900 pages on 101 microfiches
1993, ISBN 3-89131-164-8

Diazo (negative): EUR 790.– / Silver (negative): EUR 948.–