 | Test tube holders, wood | |
|  | Abbe Refractometer Model RMT | |
|  | Accessories for Laboratory Presses | |
|
 | Balance brush | |
|  | Beaker brushes, bristle nylon | |
|  | Biologist's instrument set | |
|
 | Blowpipe | |
|  | Calibration weights, class E1, cylindrical | |
|  | Calibration weights, class E2, compact shape | |
|