This Henry Troemner scale was used to measure (weigh) material accurately using a milligram scale. It is nearly impossible to eyeball an amount of something miniscule such as a dose of medication.
Depending on the drug and condition of the patient, some prescriptions required just a partial dose. In that case, it was crucial to have a milligram scale to provide the most precise measurement.
A mortar and pestle are a set of two simple tools used from the stone age to the present day to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in a kitchen, laboratory, or pharmacy.
This 20-ounce cup with pour spout and interior measurements was used to measure and dispense liquids.