Worcester daily spy. [volume] (Worcester [Mass.]) 1850-1888, 1859-10-25
STEAM B OILER EXPLOSIONS
AShcrOft'S LOW-Water DetectOr


This simple and efficient instrument has been thorough
lytested and has saved numerous Steam Boilers from
injury and explosion Its operation depends upon the
natural laws of gravitation and upon any artificial
means, either Springs Levers Valves, or Floats.
The attention of those having Steam Boilers is called
to the following references few the many parties
who have adopted the Detectors, of them having
Hamilton Cotton Mills, Suffolk Mills, Bevidere Wooden
Co; Lowell Bleachery, Prescott Mills Lawrence Manu-
Lumber Co., MiddleseX Manufacturing Co.. Massachu-
sets Cotton Mills Hamilton Print Works Merrimack
con; City of Lowell, DR. j. c. Aver Lowell Pemberton
burn WSrGester County Court House, W A. Wheeler
Asylum worcester; Bradford TAFT 4 CO. Evans sea
gives, Co, Waterford; Roxbury Carpet Co, G. F.
Beahe hSd ma 2aon Clark Neson
Merrill James N. southwiek, v n. Jacobs Danyers;
w@d deTs j. E. StmRsGn Salem; John Woodrdge thiP
son sgs Drape INT co S o RebofS
Blackstone Manufacturing Co, Blackstone; c. T. Tai
vens Son North Andover; stevens Il Co. haverhiil;
Beverly Rubber Co, Beverly; Salisbury Mills Amesbu-
e rn Railroad, Norway Iron Works, Boston; Somervile
h Rhode hldnd-Thomas J. Hill, A. D. & J. Y. Smith,
Union on Company American Butt Co., Providence
Co, Tingley Bro Providence Tool Co.. w b. Dean,
Dyerville Manufacturing Co. Sacket, Davis Co. \. f.
4 MeReady, Butler Hospital, J. C.; Peckham s. Co.
Pontiac Manufacturing Co. Union Butt Co, d. Arnold Il
Co, Fletcher Bro Builder Iron Foundry Commercial
Bro Gard co DARIUS
Pawtucket; Clinton Manuac turing Co., Edward Harris,
Social manufacturing Co, Woonsocket Lonsdale Co.,
donsdale; Crompton Print Works, CLYDE Bleach and
Print Works Warwick; j. ~ W. Slater, Slatesville;
Dodgeve Manufacturing Co., DOdgeville: HebrOnville
Manufacturing Co, HebrOnville,
In Ne,c dmpShire-Manchest ter Print Works. Amos
keag, Loco Works, Manchester; jackson Co., Nashua
co % Com
Manufactured by E. II. ASHCROFT,
Manufacturer of Steam and Water Gauges,
aus deod3m 81 Sudbury street, Boston.
Fl THE ONLY POSITIVE
kimaiI t4o5Ss-,5 LY FIRE PROOF SAFE in the
H. 'sra %f When the contents of safes are de.
NFBE rAlt. ssl strOyed, they invariably burned
| REHE- e by heat being conducted to them and
9=A=slsASA mi the inside wood casing, through the
F.z===v7lS &4 door and doorway, by iron bolts and
plates forming and fastening the iron
box to the outside iron plate of the door, and Joining di
rectly to the inside wood casing, thus forming
tnugus conductor OF the best heat conducting material
from the outside directly upon the inside wood CASING
and contents Of the safe.
ER-AH SAFES ours thus butt.
esEr- ETdnine HcUr SAFE door.
The Marmd Patent Safe is constructed to entire
ly cut of all communication of heat this part by so
constructing the door and the doorway of soap stone
other non-conducting material, have iron
bolts running through the door iron plate around
the doorway connections from the outer TO the
inner part Of the thereby keeping interior and
that can be applied to the door, in any other portion of
the safe
M. h. BIGELOW AND ANSON HARDY,
Manufacturers and Propretors,
81 School street, opposite City Hall, Boston, Mass.
Samples at stores of BusH e. Co. FITCH d OTIS,
G. II. HARVEY, HIRAM FRENCH and at c. FOSTER a.
CO. IS, Agents. 222 Main street. diff d3l