Henley's Twentieth Century Formulas, Recipes and Processes. Various

HERBARIUM SPECIMENS, MOUNTING.

       HECTOGRAPH PADS AND INKS

       HORN

       HOUSEHOLD FORMULAS

       HYDROMETER AND ITS USE.

       HYGROMETERS AND HYGROSCOPES

       ICE

       IGNITING COMPOSITION.

       INKS

       INLAYING BY ELECTROLYSIS.

       INSECT BITES

       INSECTICIDES

       INSECT TRAP.

       INSULATION

       IODINE SOLVENT.

       IODOFORM DEODORIZER.

       IRON

       IVORY

       JEWELERS’ FORMULAS

       KALSOMINE

       KEROSENE DEODORIZER

       KOUMISS SUBSTITUTE

       LACQUERS

       LAMPBLACK

       LAMPS

       LARD

       LAUNDRY PREPARATIONS

       LEAD

       LEAKS

       LEATHER

       LEMONS

       LENSES AND THEIR CARE

       LETTERING

       LICORICE

       LIME, BIRD.

       LINIMENTS

       LINOLEUM

       LINSEED OIL

       LUBRICANTS

       LUSTER PASTE.

       MAGNESIUM CITRATE.

       MAGNETIC CURVES OF IRON FILINGS, THEIR FIXATION.

       MANTLES.

       MARKING FLUID

       MATCHES

       MATRIX MASSES

       MATZOON.

       MEAD.

       MEERSCHAUM

       METALS AND THEIR TREATMENT

       MILK

       MIRRORS

       MOLDS

       MOLES

       MORDANTS

       MORTAR, ASBESTOS.

       MOUNTANTS

       MUSIC BOXES.

       MUSTACHE FIXING FLUID.

       MUSTARD PAPER.

       NAIL, INGROWING.

       NEATSFOOT OIL.