PART I.

GLASS, 10

Quality--Preparation--Albumenizing.

COLLODION, 14

Positive Process--Formula for Positive--How to

Coat Plates With--Exposure of the Plates--

Development of Plates--Developer--

Fixing Solution--Dry Plate Ferrotypes.

COLLODION PROCESS FOR NEGATIVES, 24

Negative--Formula A--Formula B--Formula C.

COLLODION COTTON, 28

Formula for Making Collodion with Above.

NEGATIVE SILVER BATH, 29

Preparation of--Contaminations of--Renovating,

&c.

THE NEGATIVE DEVELOPER, 33

Formulæ for Developing Solution.

Photography in the studio and in the field · 第 6 / 193 题