A terrific collectible - A 1924 JEFFREY COAL MINING HANDBOOK!
4 1/4"x 6 1/2", 192 PAGES, CARDBOARD COVERS

POCKET SIZE

JEFFREY MINE HAND- BOOK
NUMBER 380

THE JEFFREY MANUFACTURING CO.
COLUMBUS, OHIO, U. S. A.
COPYRIGHT 1924 BY THE JEFFREY MFG. CO.

BLACK & WHITE ILLUSTRATIONS

TYPES OF LOCOMOTIVES USED IN COAL MINES

BASICS OF ELECTRICITY & BATTERIES INFORMATION

VENTILATION OF MINES

MATH & ENGINEERING CHARTS & TABLES

NICE SHAPE, BEND ON FRONT COVER, NORMAL SIGNS OF AGE

ADD TO YOUR COLLECTION!!!

A RARE FIND!!!

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