The West Virginian. [volume] (Fairmont, W. Va.) 1914-1974, 1921-11-26
Even Man Born With
Lamps" Trips on Wolf
Assemblage
FORBES TO SPEAK HERE
Will Address Fairmont
Mining extension
r School Here

Correct assembling of the Wolf
safety lamp appears to be ono Of
tho stumbling blocks at every state
mining examination It was develop
5edja at the session Of the Fairmont
mining extension school at the
>Eairmont high school nne last
evening. Mention vas made thai
IAN old timer In the mines, who said
he was born with lamps" fell bv
lie wayside like others after he
had failed to watch the caution ex-
pounded by instructors.
That there is a danger OF tncor-
reE1y assembling the Wolf safety
lamp cannot be denied and some
! mining men believe that this prob
ably has been the easOn why 1t
has not met the approval OF the
United States Bureau Of Mines.
Placing the BATTLE ring upside down
cuts on the under draft and a SINH.
lar condition is brought about
when the lower gauge ring or air
admission ring is placed upside.
down. When the expansion ring
is turned topsy turvey the purpose
ot the expansion ring Is defeated
because no expansion is allowed the
Globe when 1t Is heated and thu
danger of cracking the glass is i'm
minent.
AssembIage of the Wolf safety
lamp was made by the instructor.
Adam Crawford, at last nights SEES
sion of the mining school. II was
q striking feature that many of the
members Of the class were unfamil.
lar with the Wolf lamp and fewer
! still possessed any OF their W
The chief features OF the Wolf
safety lamp might be grouped I'M
der the following classification:
: Burns naphtha or gasoline. unlike
the earlier types OF lamps. which
burned animal oils. and by the for
mef the lamp is more sensitive u
/ gas; underfed; screw wick adjust
ment; rellghter: expansion ring,
inner gauze, outer Gatlzc, gauge
ring, and shield. Principal parts Of
1.-The Wolf safety lamp might b.
grouped under the following: Font,
Igniter. pull bar, battle ring, filling
plug, lower gauZe ring. expansion
iSIng, gasket, globe. asbestos Easke''
inner gauze. outer gauze, gauzo
ring and shield.
The Wolf lamp, which was orig
inally a German product. was later
/. manufactured by an American con
cern. Advantages of the Wolf lamp
might be set forth in the following:
More light: more sensitive to gas;
danger OF broken glasses is not so
uraat uy@k6 200 oP av1a OEi0U ring
and the Wolf will Withstand great
er current velocities than the DaYy
or Clanny lamps.
Fundamental requirements Of a
safety lamp might be covered by
these qualifications: Good light:
approved locking device: approved
%reiighter: shield; Wnderdvait: good
construction and double gauze.
The Marsaut lamp in it's outward
appearance Is very similar to the
honueted Clancy lamp. The chtet
feature Of this safety lamp has been
the fact that multiple gauzes have
been employed, sometimes as many
as four gauzes, which was another
big step in the evolution OF safety
lamps. This permits the flame 10
cool but like the Clanny 1t receives
its afr from above the flames and
lbei currepts have a tendency to con-
tIict within itself, due to incoming
and outgoing currents being within
the globe at the same time. caus.
ing smoke to arise. The Marsaut
lamp is rated as a safety lamp
where explosive mixtures are trav.