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[printed letterhead]WM. H. BIRCH. W. WALTER BIRCH. H. C. BIGGS
TELEPHONE NO. 999.
SPECIAL ATTENTION GIVEN TO REPAIRING.

CALIFORNIA MACHINE WORKS,
119 BEALE STREET,

MANUFACTURERS OF
STEAM ENGINES, FLOUR, QUARTZ, MINING MACHINERY, STEAM, HYDRAULIC, CYLINDER, RAM AND SIDEWALK ELEVATORS,
SOLE AGENTS FOR THE HITCHCOCK SECTIONAL SAFETY BOILER, BRODIE'S PATENT ROCK CRUSHER.
BUILDERS OF THE ELLITHORPE AIR BRAKE CO'S ELEVATORS AND AIR CUSHIONS.
ALL MACHINERY FOR CABLE RAILROADS A SPECIALTY.

San Francisco,] Dec- 12- 1889

Cal. St. Cable. R. W. Co.
City.

Dear Sirs

We offer to furnish 6 Tongue
switches, 40 ft Radius - Steel Tongues, Steel plates
riveted on top. Complete, for the sum of
Forty Nine Dollars and Fifty Cents Each. - ($49.50)

Respectfully

Wm. H. Birch