This is a Coleman surgical instrument sterilizer.
Fred Kuntz got this unit with the original box and crate
(not shown) and stamped #40 of 114.
The stove is model 523 and is dated 1956.

After WWII the Coleman Speedmaster, Model 500 stoves
were made with green painted brass founts through the first half of 1946.

After that they were made with nickel plated brass founts (left, dated 1949 A)
and after the first half of 1951 the founts were again made with green painted brass (right, dated 1951 B).
Both stoves have been restored and operate.

This Coleman Model 426B unfired stove is undated

but the Wichita newspapers used in the packing are dated May, 1957.

This 3 burner stove is in John Stendahl's collection.

The strap legs are retracted in this image.

Coleman records indicate that they made their Model 413E stove

from 1954 through 1960.

This undated 413E is in Suzanne Kennison's collection.

The stove legs have three height positions

and there is an attachment to hold the tank steady

when it is in the case.

The Coleman 500A differed from the 500 noticeably in the round wire grate, rather than scalloped,

and a large filler cap offset only 45 degrees from the pump.
This stove, in Glenn Knapke's collection, has a steel fount and is dated June 1961.

The grate on the last to be manufactured 500A's

had the legs bent over and spot welded to the frame base plate.

Coleman's Model 501 stove was only on the market
for a couple of months before it was recalled
due to problems with the circular generator
which didn't vaporize fuel properly.
Most were recalled and replaced by the company.
This one, dated June '62, is in Jerry Engbring's collection.

Coleman redesigned the 501 stove as Model 501A

and changed the fuel flow so fuel now went first to the shut-off valve then the generator.

This 501A stove (left), in John Morris's collection, is date stamped Aug. 1962.

You can see a new instruction label over the earlier 501 label.

Coleman made the 413F two burner stove from 1961 to 1964.
This like-new 413F, in Brooks Wilson's collection,
came with the original paperwork
which includes a Feb '63 date code.

This 3 burner Coleman Model 443,

in Scott Stewart's collection, was made in 1963.

The parts are aluminum and steel as noted for Model 442A below.

Model 442A has an aluminum case
with red painted steel tank;
the windscreens are red painted aluminum.
This stove, in Glenn Knapke's collection,
has a date code for January, 1964 on the tabs
that hold the tank on the case.

Coleman's made the 425C stove in the mid-1960's.

The stove is not date stamped but the instruction sheet

has a printer's date code of 1963.

The tank is now painted red and the legs fold under stove during operation.

This stove is in Suzanne Kennison's collection.

Coleman made this 3-burner stove for Sears

as Model 476.74980.

This stove, in Dave McFarlan's collection, is dated Jan. 1965.

It is similar to Coleman's Model 426C from that period

but has radiating grate rods and has flanges on the end panels in lieu of legs.

Dave got an aluminum Sears No. 0 funnel with the stove.

This Coleman 425E two burner stove (upper image) is date stamped September, 1969
on the tabs that hold the tank on the case of the stove.
Brien Page got the stove with the shields that you see in the front and two sides of the case.
The shields are part of the Coleman Toaster, Griddle, Broiler accessory,

5140-425, in Michael Morgan's collection (lower image), made for the 425 stoves.

Coleman stove Model 502 is common as a used model in the US.
This one, dated May, 1972, was only used a few times
and came with the original box and papers.
The ribs on the collar match the ribs on the base rests
of Coleman lantern models 220F and 228F,
from this same period.

Coleman made this 2 burner stove for Sears,

which Sears sold as their Model 476.72244.

This paint color of this stove, in Scott Wickham's collection,

matches the paint color on lanterns

that Coleman made for Sears during the early 1970's.

These Coleman stoves for Sears, Model 476.72301, are date stamped Jan '1971.

The one on the left was converted to burn alcohol (upper image)

by Nashcraft, a company in San Juan Capistrano, California, perhaps for marine use.

The main burner must be preheated with a teaspoon of alcohol

poured into the burner wick (lower image).

These stoves are in John Stendahl's collection.

The Model 425 series stoves were made by Coleman

for several decades beginning in the 1940's.
This Model 425E, in Monte Dodge's collection, is dated July, 1973
on the tabs that hold the tank on the case.

Model 413G lacked folding legs and was made in two versions.

The earlier version dates to 1966 and has parallel grate bars;

beginning in '67 the grates featured openings as above for the burners.

This stove, in Philip Rhoades collection,

is date stamped Mar, 1974 on the tank and May '74 on the stove case.

The stove is sitting on a No. 10 stand, Model 591B499, from the same period.

Patented in 1976, this cook top was made by Campro Inc.
"Cooks free! Right on top of the world's most popular lantern!"
Images on the box show cooking eggs in a small frying pan
and making coffee.
The notch at the top accommodates the handle of a small frying pan.
This cook top is in Brien Page's collection.

This Model 413H stove, in Brien Page's collection, is dated Oct. 1986.

Coleman Model 508 (left) date stamped Dec. 1985 and 508A (right) date stamped Nov. 1995
differ primarily in the pump design and the tip cleaner location.
Model 508 has a separate tip cleaner lever (black tipped lever)
while Model 508A has that feature built into the on-off lever.
Model 508A also has the newer style pump assembly
that requires a special 4-pronged tool to remove.

Coleman made this Classic single burner camp stove,
Model 502A740J, for the Japanese market.
This stove, in Dean DeGroff's collection,
has never been used, includes the box and papers (not shown),
and is dated September '95.

Another version of the 502A stove above made for the US market

is this 502A712 version which is date stamped Sept. 1997.

This unfired stove is in Tim Treutler's collection.

Coleman made this 100 year Centennial Commemorative stove
for the Japanese market and included a soft carrying case.
Chrome-plated steel, each stove is individually numbered
on the plate on the fount.
This one is dated March 2001
and is in Jerry Engbring's collection.