Photographers' Formulary Dropper - 1.5 ml Tweet Description The Photographer's Formulary 1.5 ml Dropper is for small amounts of chemistry and other liquids where precise measurements are required. Details Additional Category Tags: Developing & Processing, Developing & Processing Supplies, Graduates Category: Photography Manufacturer Catalog Number: 09-0150 Product Manufacturer: Photographers' Formulary Subcategory: Darkroom Equipment