Sandwich boxes for use in setting up crystallizations with sitting drops may be
obtained from the following supplier
Durphy Packaging Co.
1957 Pioneer Rd.
Huntingdon Valley, PA 19006 USA
Cat. No. DT-156 Sandwich box 1 carton ~$65 (US) 100 boxes per carton
Glaxo Research Institute
amh12478 at usav01.glaxo.com