CHAPTER XVII

PHOTO-LITHOGRAPHY--_continued_

A Copying Table--Exposure--Illumination--Photo-litho Transfers--The Paper--Printing--Developing--A Direct Process 96-101

INDEX 102-104

ILLUSTRATIONS

PAGE

ALOIS SENEFELDER _Frontispiece_

STONE-PLANING MACHINE 4

STONE-POLISHING MACHINE 5

COPPERPLATE PRESS 17

HOT PLATE 18

LITHOGRAPHIC PRESS 21

DETAILS OF LITHOGRAPHIC PRESS 22

LITHOGRAPHIC HAND PRESS 23

LITHOGRAPHIC HAND ROLLER 28

REGISTER LINES 30

ARRANGEMENT OF TRANSFERS 32

TRANSFERRING BOARD 32

LITHOGRAPHIC PRINTING MACHINE 35

HALLIGAN MACHINE 36

PRESSURE MECHANISM 38

INKING ROLLERS 39

DAMPING ROLLERS 40

GRIPPER 42

TRIMMED EDGES 43

COUNTER SHAFTING 44

MOTOR DRIVING 45

PLATE-GRAINING MACHINE 59, 60

PLATE BED 62

ALUMINIUM ROTARY MACHINE 63

ALUMINIUM ROTARY SECTION 66

TIN-PLATE PRINTING MACHINE 73

TIN-PLATE RACKS 78, 79

METHOD OF STACKING PLATES 79

SCRAPER BOARD WORK 91

SCRAPER BOARD TEXTURES 93

PHOTOGRAPHIC COPYING BOARD 97

PRACTICAL LITHOGRAPHY