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Student Lamp Sans Rival Chimneys
lamps using a 1 15/16'' chimney
The 1st Advance in Student Lamp
Chimney Design in over 150 years!
(See also Victorian Era
Student Lamp page)
Go here for Student Lamps with a 2"
1 7/8'' base Student Sans Rival Chimney
diameter: 1.888" - 10
Height to pinch: 2.256"
Diameter at pinch: 1.090"
Diameter of first bulge: 1.422"
Diameter middle of draft control constriction: 1.106"
Diameter of secondary bulge: 1.289"
Diameter of chimney above secondary bulge: 1.056"
Throat diameter: 1.182"
Student lamps will burn well with the
traditional design chimney (shown below), but after several
years of experimentation I was able to modify a 14''' Sans
Rival chimney design to considerably improve the light output
and clean burning characteristics of student lamps using a 1
7/8' fitter chimney. This Student Sans Rival Chimney is
exclusive, made only for me in the USA from my mold with thick
The draft control constriction is what
makes this chimney burn so wonderfully. It pulls up the
flame and compresses it to induce complete combustion of the
fuel, resulting in an elongated "white light" flame with
considerably better brightness and clean burning when compared
to a standard student lamp style chimney. It is amazing.
1 7/8'' Student SANS RIVAL Lamp
Chimney for Manhattan, Perfection and Kleeman Student Lamps, Sans Rival design,
1.888" base diameter, 10 3/4" tall - Borosilicate glass, made
in the USA from a mold I designed from a modified original
German 14''' Sans Rival chimney from the early 1900's.
TRADITIONAL DESIGN STUDENT LAMP CHIMNEYS WITH
1 7/8'' BASE DIAMETER for Manhattan, Perfection and
Kleeman Student Lamps
1 7/8'' Student Lamp Chimney,
traditional design, 1 7/8'' x 10 1/2'' - borosilicate
glass! This chimney is virtually identical to the chimney on
my Wild & Wessel ''Harvard'' Student Lamp chimney.
Click for photo.
The W&W "Harvard'' patent of June, 1879 did not include a patent
for the chimney as this chimney had been in use on Kleeman and
other student lamps for almost two decades by 1879.
student lamps such as Manhattan, Kleeman. $19.95
This is not the fabulous Sans Rival Student Lamp
chimney as listed above but it will work well with traditional
light output. It is made from smooth borosilicate glass with
flame-cut, very smooth ends. If your student lamp is a ''shelf
queen" and used infrequently, this chimney will suffice to prove
your student lamp does work. For frequent reading the
Student Sans Rival chimney above is highly recommended.
Sans Rival Chimney for the
Large Manhattan Student Lamp!!! NEW!!!
chimney, made to my specifications. This is the only chimney
made for the Large Manhattan Student lamp!!!
2.34'' base, 10 1/2" tall, hand made from
borosilicate glass $54.95
Sans Rival chimney
for 10''' Kosmos Lamps and some Student Lamps.
1.54'' slip fit base. Kosmos burners require
a very tight pinch (0.79") inside diameter to burn perfectly clean
and without any aroma, these chimneys are made to my exact
for the ultimate 10''' Kosmos chimney. IN
14''' Kosmos Chimney, 2.031" base diameter, 10
3/4" tall - Also fits Harvard Student Lamps that have a
nominal base diameter of 2". Borosilicate glass, made in the USA from
a mold made from an original German Sans Rival chimney found in
Norway. $54.95. IN
Wick for Manhattan, Miller* & Kleeman
Student Lamps. Includes
complete, illustrated installation and operating instructions. 1
1/4" flat X 4.5" long. $8.95
for custom wicks for other student lamps.
The LARGE Manhattan
Student Lamp, German Student Lamp, Cleveland Student Lamp, Miller
''Ideal'' Student Lamps, B&H Student Lamp & Meyrose
Student Lamps DO NOT USE THE WICK LISTED ABOVE! They require different size wicks.
Lamps marked "C. A. Kleeman, C. F. A. Hinrichs N. Y. Sole Agent''
often require a 1.0'' wide wick to fit over a spiral tube of
Knopp on left and Manhattan on right burning with the 1
7/8" Sans Rival chimney. The Miller "0" Vestal Student
Lamp in the middle with a Junior "0" size chimney for a
typical "0" burner with flame spreader.
On the left is the traditional style
student lamp chimney listed above. On the right is the
chimney that was on my W&W ''Harvard'' Student lamp shown
in the background. Click on the photo to enlarge it
and you will see the chimneys appear virtually identical
in height to tapered pinch, in total height and in
diameter. This style student lamp chimney has now
been in use for over 150 years. Virtually all
student lamp burners were pure Argand type. The W&W
Harvard is a Kosmos burner, as befits the lamp as Emil
Wild patented the Kosmos burner in 1865 and
''Harvard'' student lamp in June, 1879.
Student lamps using a 3/4" diameter
circular wick were in use by 1860. These lamps were of
an Argand style, a circular wick without a flame spreader.
To obtain a bright light for reading, the flame had to be
elongated, raised, to have the highest "flame front" possible.
To this end the single-pinch "Kosmos" style chimney was
The best student lamp chimney of the Kosmos
style was the MacBeth #50. It produced the cleanest
burning and brightest light, but that light was still yellow
with incomplete combustion - the lamps produced a noticeable
aroma. MacBeth #50 chimneys have not been available for
A few of my customers were using the Sans
Rival 14''' Kosmos chimney and noted the absolute
superiority of that chimney over any single-pinch standard Kosmos chimney (see the results below), and they wanted a
reduced-base Sans Rival for their Student Lamps. I had
samples made using the Sans Rival as a
guide but using the base dimensions of the MacBeth #50.
The results were absolutely outstanding - white light and no
aroma even when burning very low as a night light.
TYPES OF STUDENT LAMPS BY FUEL REQUIRED
Heavy Oil, 0.5"
|Heinrichs & Knopp, 1.5"
Note the indicated fuel
levels below the burners above; the fuel flows from the
separate font to the small fuel supply around the wick.
The level of the fuel below the wick can be measured by the
height of the top of the fill tube. This system allows
the fuel around the wick to be a constant level until the
separate font is empty.
The heavy oil lamp on the
left above requires a mineral oil or vegetable oil such as
olive oil: the fuel level is far too close to the flame
to use kerosene as a fuel. The medium fuel H&K student
lamp in the middle photo above requires a blend of mineral or
vegetable oil and kerosene as the heat of the flame just 1.5"
above the fuel causes kerosene to actually boil and sputter -
definitely not safe! The Manhattan Perfection Student
Lamp on the right above has the correct fuel level for burning
kerosene. In most cases the wicks are the same on all
three types of student lamp. I
can make wicks for the No. 11 Postal Student and
large and small German Student Lamps upon request.
I have used
your 1 7/8 prototype Sans Rival chimney on several of my
student lamps, including the Berlin that burned "rich" and was
very aromatic. All I can say is WOW!!!!!!! The flame could be
set from a low night light to the "Christmas tree" height with
excellent results. It increased the light output by at least
twice. It almost looks like the mantle of an Aladdin lamp. The
chimney is as clean as the day I got it with no residue after
burning for about 15 hours. I would hope it would be feasible
for you to have this chimney put into production as it makes
all the difference in the efficiency of the lamp. Please
advise if and when you do.
I have now tried the Sans Rival on 4 different lamps that I
own and have given it extended hours of use on each lamp. In
every case, the chimney performs beautifully! I haven't
noticed any odor from any of the lamps---combustion seems to
be absolutely perfect. T his
morning, I put it on my Berlin Student Lamp and it performed
wonderfully with no smell. This is a true
beneficial addition to the lampophiles of the world! Many,
Steve L. in California
me! I had the nicest surprise when I arrived home this evening
from work! The Sans Rival chimney for my Manhattan Student
lamp was awaiting me---and let me tell you, this is a PERFECT
solution. It fits the lamp perfectly, and the flame is
visually equal or GREATER in brightness when compared to the
old Macbeth chimney. DELIGHTED BEYOND DESCRIPTION!!!!!!!!
Kelly N. in North Carolina
Sans Rival Kosmos Chimney information below
By far the most common size Kosmos-style lamp is the 14'''. They were produced in
many countries in Europe for over a century. It is
therefore no surprise that chimney base diameters varied
considerably for what was listed as standard 14''' lamps.
The Sans Rival chimney has a base diameter of 2.031". I
have other 14''' chimneys which range from 2.00" to 2.109"
diameter - about the maximum diameter which will fit the
burner. All chimneys get hot in use, and glass expands
when hot. There should be spring finger tension to hold
the chimney in place so when hot the chimney has room to
your fingers to bend chimney prongs - it is far too easy to
bend the fingers too far and break them, plus the individual
fingers will not be adjusted evenly. If a chimney fits
too tightly, gently bend the fingers out from the inside by
using the convex side of a teaspoon. To bend chimney
fingers in, something about the diameter of an AAA battery can
be held horizontally right in the curl of the chimney fingers
and moved around the outside of the fingers, gently bending
them in to have a uniform spring tension. Start the bending
process at the wick raiser knob and end there for uniform
At far right is a photo of the hunting cabin in
northern Norway where William Sogge found the original Sans Rival
Chimney. And there is the 14''' Kosmos lamp burning
brightly in the same place it has hung for a hundred years.
Near right photo - the
signed original Sans Rival which was used to make the mold for
my Sans Rival chimneys.
At right is a photo of a typical 14''' Kosmos
Concierge. Note the brilliant white light in the
"Christmas Tree" effect from the Sans Rival Chimney.
The Sans Rival's enhanced draft and flame
control allows for the brightest white light on any 14'''
Kosmos lamp. And that wonderful draft control means that
even at a very low setting, for example as a night light, the
lamp produced clean, odor free burning. So clean, in
fact, that the chimney seems to stay clean and without a trace
of smudge even after many days of burning.
At right is a pretty poor
example of a 14''' Kosmos lamp. I purchased this dog
almost 20 years ago. There was a pinhole leak in the
glass font. Fixed that with radiator epoxy. I
fired it up and it smelled horrible. It traveled to a
shelf in a storage room and stayed there for all this time.
A few days ago I dug it out, straightened the collar so the
chimney would be fairly close to vertical, installed a new
wick and tried it again. Still smell horrible from a
too-rich mixture not be able to fully burn in a conventional
Kosmos chimney. I stuck on a Sans Rival chimney and it
burns white with absolutely no aroma. The Sans Rival
chimney burns hot and the secondary combustion chamber burns
up all residual vaporized fuel so there is no aroma when
burning the lamp!
The visible flame shown in
the photo at right is not maximum height. In this test I
only had perhaps an inch and a half of fuel in the font.
The wick had to raise the fuel over 7" and that is too great a
lift to sustain a full burn without an apparent capillary
deficiency. If the font was 3/4th full of fuel it would
sustain a flame above the secondary combustion chamber in the
chimney. But it works!
Testing and trials. The Sans Rival chimneys
are AWESOME! What a relief for us 14''' Kosmos users! Thank you!!!
Pretty much all my 14''' Kosmos lamps are going to be wearing them soon.
Peter Brickell, Toronto 8.15.11
SIDE BY SIDE TEST WITH A STANDARD 14-LINE
LAMP - "Brickell Hybrid" with a modern A. P. Gaudard 14-line
burner on a painted glass font and non-original base
FUEL - 1-K kerosene from a service station (fully taxed fuel,
thus not dyed). Not quite as good as the expensive packaged
1-K at the hardware store, but very close. My standard lamp
fuel for non-problem lamps.
Standard 14''' Chimney
Sans Rival 14''' Chimney
San Rival Chimney, burner turned up until it started to smoke
and nudged back to a clean burn.
Light level at 21" away with flat field light meter attachment
and angled to get maximum illumination reading = Exposure
(EV) 3.75 @ 100 ASA/ISO (36 Lux)
Sans Rival chimney at maximum
Standard modern 14-line chimney (perhaps B&P or Gaudard) on
same lamp. One I consider typical of today's Kosmos chimneys
(poor constriction shape). Chimney was about 1/2 inch shorter
overall than the San Rival. Turned up until it smoked
and then turned back until it burned
Light level at 21" with same meter arrangement and angled for
maximum illumination reading = Exposure Value (EV) 2.88 @
100 ASA/ISO (27.6 Lux)
Standard chimney at maximum
EV levels are logarithmic, thus a change of
± 1 EV is twice or half as much light. So, the San Rival put
out 3.75 - 2.88 = 0.87 EV more light = 1.8X as much light as
the standard chimney was capable of. So almost twice!
Disclaimer - none of this was precise science! I just tried to
equalize the conditions and photographic angle for the
Peter Brickell, Toronto August 15, 2011
Moderator Lamp using Student Sans Rival chimney
*Some Miller Student lamps DID NOT
use either the standard 1 7/8'' chimney OR a #0C circular wick of 1
|The Miller Syphon Student lamp
patent dates of 1868 through 1878, pre-dating flame spreaders and Miller's
center draft lamps. Photo: Mark Miller
||Miller Syphon Student Lamp
showing the burner. This lamp uses very thick 15/16'' wide
Exceedingly rare lamp!
Miller #1 "Ideal" Student
Lamp, photo courtesy of
Edward Miller Lamp Co.
|Above right, the unique burner
on the Miller "Ideal" Student Lamp. Credit at left.
Photos of other
Cornucopia Student Lamp - Wild & Wessel
|The ultimate, a W&W Double Harvard
My W&W ''Harvard"
June, 1879 W&W patent for the ''Harvard'' Student
L&B Student Lamp, 1875
My student lamps lighted.
Parts for student lamps often go missing or are damaged
over the years. The photos above show dimensional data for a Manhattan
Student Lamp burner.
At right, the Manhattan Student Lamp wick
chase/wick sleeve, as shown above with dimensions but shown at right
uncovered by the wick.
Wicks for kerosene space heaters,
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CHIMNEYS AND WICKS
Fabulous "Sans Rival"
borosilicate chimney for 14''' Kosmos lamps
Student Lamp Sans Rival Chimney with
1 7/8" fitter!!!
Sonnenbrenner Lamp Chimneys
- Dimension of
nominal base diameter by make, model and "line".
Information on lamps:
Aladdin Lamp History
Aladdin Lamp Wicks & Chimneys,
Aladdin - Exploded burner views
Lamp Repair & projects
Center Draft Kerosene Lamps
(Photos, information and history, etc)
Lamp manufacturers and brand names
Miller Lamps - a photo album
restored center draft lamps
USE, CARE and WICKING of CENTER DRAFT LAMPS
Early American Metal Font & Specialty Lamps
Flame Spreaders and
- Vulcan, Imperial, Veritas,
Belgian, Hinks, Messenger's, Young's Court, etc.
Articles by Alex Marrack:
Registered Design Numbers For British Lamps
GERMAN PATENT LETTER CLUES - DRPs AND DRGMs, 1877 to 1945
Site Index for all things Perfection
Links to web sites for parts,
information and restoration.
Site Index for all things Perfection
Kindler Wicking For Oil Stoves & Ranges
Alphabetical list of most kerosene heaters and the proper wick,
& cart checkout.
List by wick number and the heaters that fit them. (A
helpful guide for buying on eBay)
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