| Number | Name | Date | Kind |
|---|---|---|---|
| D238887 | O'Neal et al. | Feb 1976 | |
| D256726 | Meuli et al. | Sep 1980 | |
| 3985511 | Betts | Oct 1976 |
| Entry |
|---|
| Fisher Modern Laboratory Appliances, .COPYRGT.1964, p. 1016, item no. 15-460, Serological Water Bath. |
| Cole-Parmer Catalog 1977-78, .COPYRGT.1976, p. 19, Water Bath, item no. 1105-02. |