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U.S. Maxim Model 1904
by Robert G. Segel

HISTORY

2004 marks the one hundredth anniversary of the adoption of the U.S. Maxim Machine Gun, Caliber .30, Model of 1904. This was the first rifle-caliber heavy machine gun approved for use as the standard service type by the United States Army.

The army was interested in the new Maxim gun as early as 1887 and procured examples of the “World Standard” Maxim machine gun Model 1889 and Model 1900 for testing purposes. It took another seven years of sporadic testing with fits and starts before the Chief of Ordnance finally gave approval for adoption in 1904. An agreement was reached with Vickers, Sons & Maxim, Ltd. (VS&M) and an initial order was placed for 50 guns and tripods to be produced at the VS&M Erith Works facility in England in the U.S. caliber .30-03.

The Ordnance Department, wanting the gun to be made in the United States, enlisted the Colt’s Patent Fire Arms Company to make the gun but problems arose concerning the drawings and seemingly arbitrary changing of engineering specifications and tolerances by U.S. Ordnance personnel that caused a several year delay before Colt could start production. Eventually, the design specifications reverted back to the original VS&M drawings. In the meantime, the Ordnance Department placed another order for 40 guns with VS&M. When Colt finally began production in 1908 they continued with the serial number sequence for the model type. The first Colt produced Maxim Model 1904 gun had serial number 91. Additionally, by 1908, the service cartridge had changed to the .30-06. The 90 VS&M guns were retrofitted to accept the new .30-06 cartridge while Colt manufactured all their guns in .30-06. In all, there were 287 Model 1904 Maxim’s produced. The first 90 guns (serial number 1-90) were made by Vickers, Sons & Maxim in England and the remaining 197 guns (serial number 91-287) were made by Colt’s Patent Fire Arms Manufacturing Company.

The Colt company had no desire to produce tripods or wheeled mounts for the Maxim and all of the tripods produced for the ’04 Maxim were produced in England by VS&M. All of the wheeled carriage mounts were produced by Rock Island Arsenal (RIA). Tripods and wheeled mounts were ordered and purchased separately from the guns and, though serial numbered, they were not numbered to a specific gun

The last order of guns was placed in 1908 and in 1909 the U.S. adopted the Benet-Mercie Machine Rifle Model of 1909. That was superceded in 1915 by the adoption of the Colt Vickers Model of 1915 and then in 1917 by the Browning Model 1917.

Accessories included a tin-lined wooden water box denoted by a 1-inch white stripe painted longitudinally around the box, a wood tool and spare parts box denoted by a light blue stripe and a wood belt filling machine box denoted by a red stripe. All these boxes were of the same size and dimensions as the wood ammunition box with sides and ends dovetailed together and the bottom secured by screws. All parts of the boxes are recessed so as to be flush with the surface. Model ’04 Maxim boxes all had a fold-down metal carrying handle as opposed to the later same size and color-coded wood boxes of the Colt Vickers Model of 1915 which had leather handles. The ammunition box contained one 250-round belt made of a composition of linen and flax. The pockets being formed by brass strips securely riveted to the web portion of the belt. Ordered accessories included a total of 6,434 ammo boxes, 1,344 water boxes and 7,144 ammo belts. The one-piece brass and steel cleaning rod was mounted under the trailing leg of the tripod. Originally, there was no steam condensing hose for the gun as it had not yet been determined that a large white steam plume from the water jacket would be a problem in combat situations. By 1913 that need was recognized and a rubber tube devise was developed that was held to the water jacket by means of a supporting leather band. The tubing is connected to the band by a chain and holder. A nozzle at one end of the rubber hose fit into the steam escape hole in the water jacket cap. Seldom used, this devise can be seen in a few rare photos.

The ’04 Maxim was issued to U.S. infantry companies and to cavalry troops. Each machine gun company or troop was issued four guns including tripods, ammunition, spare parts, tools and accessories, together with the necessary packs. Mules were the primary means of transport for the guns and equipment and each company or troop was issued twenty mules being made up of four sections of five mules each. The ’04 Maxim was a well made weapon; reliable and dependable as Maxim guns were noted for. But, the gun was not popular with the men in the field. The ’04 Maxim had the distinction of being the heaviest Maxim ever produced weighing in at a total of 145 pounds (gun with water - 65 pounds, tripod field mount - 80 pounds). It took specially trained troops to set up, operate, clear, repair, take down, pack and unpack for transport on animals that carried the equipment. Nevertheless, the ’04 Maxim was widely used and saw service in such distant outposts as the Philippines, Hawaii, Mexico, Central and South America. Yet, it never really saw combat service, being relegated to training purposes. The gun was not used overseas in World War I but remained in the United States as a training weapon.

With about ten U.S. ’04 Maxims being transferable on an ATF Form 4 surviving today, and a few more in museums, it is generally considered to be the rarest and most desirable classic U.S. machine gun on the collectors market and, surprisingly, the ’04 tripod is even rarer than the gun. This weapon is certainly a prized centerpiece of any classic machine gun collection.

GENERAL DESCRIPTION

The Maxim automatic machine gun, caliber .30, Model of 1904, belongs to that class of automatic guns in which the force of recoil is utilized to operate it. After the first shot the gun is self-operating, until the ammunition in the cartridge belt is exhausted or until the trigger is released. The force of the recoil opens the breech, extracts the empty case, and inserts and fires the next cartridge. In firing, the action of the mechanism is as follows: The barrel and lock (bolt) move to the rear a short distance. At the end of this recoil the lock is drawn back from the chamber, thus opening the breech and at the same time drawing a loaded cartridge from the belt and extracting the empty case from the chamber. During the last part of the motion of the lock, the empty case and the loaded cartridge are lowered until the latter is in line with the chamber and the former with the ejection opening. Under tension of the recoil spring, which the movement has extended, the lock then travels forward, the fresh cartridge is pushed into the chamber, the empty case is pushed into the ejector opening, the belt is fed forward one round, and the carrier and barrel finally returned to the firing position. During the recoil cycle, the firing pin is cocked, and unless the trigger has been released the sear is struck at the conclusion of the movement described above, and the gun is again fired.

The gun consists of the following principal parts groups. The barrel, trunion block, water jacket, water-jacket cap, filling valve, casing, handle block, recoil mechanism, lock mechanism, firing mechanism, feed box, nozzle, barrel disk and sights. The tripod consists of the following principal parts: Front legs, trail, seat and seat bracket, pintle, traversing arm, top carriage, traversing mechanism, elevating mechanism, traversing clamp and elevating clamp.

FIELD STRIPPING THE GUN

(From No. 1770 Handbook of the Maxim Automatic Machine Gun, Caliber .30, Model of 1904, Tripod, Model of 1904, Wheeled Mount, Model of 1905, Pack Outfits and Accessories. June 15, 1906.)

The gun can be best disassembled when in position on the tripod.


The water jacket, trunion block, water-jacket cap, outside plates, bottom plate, front sight, steam-escape system, front plug, and set screw are not to be separated.

ASSEMBLING THE GUN


SPECIFICATIONS U.S. MAXIM AUTOMATIC MACHINE GUN, MODEL OF 1904

Weight of gun (without water): 57.5 pounds
Capacity of water jacket: 9.5 pints
Weight of water in jacket: 7.8 pounds
Weight of tripod: 80 pounds
Length of gun: 44 inches
Length of barrel: 28.5 inches
Caliber: .30-06 U.S.
Rate of fire: 450 to 600 rounds per minute
Feed: 250-round fabric belt
Cooled: Water
Operation: Recoil and muzzle gas assist
Sights: Graduated to 2,600 yards

Official records are a bit sketchy and sometimes contradictory, but the following is a brief chronological order history of purchases.

January 1904: Initial order of 50 guns and tripods from VS&M.

June 1904: Second order of 40 guns placed with VS&M.

June 1904: First tripods to be numbered 1-50 by VS&M.

June 1904: Order for 30 wheeled mounts from RIA.

May 1905: Orders for 36 guns from Colt.

October 1905: Orders 85 guns from Colt and 30 tripods from VS&M.

October 1905: Orders for 25 wheeled mounts from RIA.

November 1905: Orders for 36 wheeled mounts from RIA.

January 1906: Orders for 16 guns from Colt.

January 1906: Orders for 16 wheeled mounts from RIA.

May 1907: Orders for 10 guns from Colt.

January 1908: Orders for 107 tripods.

July 1908: Orders for 50 guns from Colt and 50 tripods from VS&M.

May 1911: 21 tripods dismantled for spares.

June 1911: 3 additional wheeled mounts mfg. by RIA.

In all there were 287 guns purchased (the first 90 produced by VS&M and the remaining 197 guns manufactured by Colt), 197 tripods (minus 21 tripods dismantled for spare parts for a total of 176 usable tripods all made by VS&M) and 111 wheeled carriages made by RIA.

Besides the interesting prices quoted by VS&M to the Chief of Ordnance, U.S. Army in a letter dated January 14, 1904 for the first 50 guns ordered, is the actual content listing, by item, of the tool and spare parts box and the belt filling machine box. This has never been published before.

“In compliance with your letter of November 30, 1903, No. 25537-718, enclosing instructions to bidders and specifications governing the manufacture and inspection of Maxim Rifle Caliber Automatic Guns and Equipments therefore, we now beg to submit the following bid:

Vickers-Maxim R.C. Automatic Gun. (Of Special Type for U.S. Army.)

1 Gun, complete with Lock and sights-$1226.35
1 Tripod, complete, with elevating and training gear; cleaning rod -190.77
1 Box, Special Pattern Tool and Spare Parts, (outside dimensions to correspond with those of regular ammunition boxes)-5.00

Containing:
1 lock, spare-109.01
4 springs, gib @ .25 -1.00
2 springs, main @ 1.50 -3.00
2 springs, extractor @ 1.25 -2.50
1 spring, recoil with fittings - 7.50
1 spring, ejection tube -.37
1 spring, feed box, top pawl - .12
1 spring, feed box, bottom pawl-.12
1 spring, safety catch-.08
1 spring, trigger lever -.12
1 spring, safety sear - .25
1 spring, rear sight pawl - .37
1 spring, rear sight - .12
4 pins, axis, tumbler and hand sear @ .37 - 1.48
2 pins, with sleeve, side lever @ 1.87 -3.74
1 pin, safety sear axis-.37
1 gib -1.25
1 combined spanner, connecting rod and muzzle attachment-7.50
1 monkey wrench, hammer head-1.25
2 punches, steel @ .37-.74
2 punches, brass @ .37- .74
1 oil can, pint- .37
1 spring balance-.37
2 plugs, cork, with fittings; steam outlet @ .37- .74
2 sets asbestos packing @ .03-.09
3 washers, .005”, connecting rod @ .03-.09
3 washers, .003”, connecting rod @ .03 -.09
1 screw driver, small -.31
1 safety sear- 1.88
Total for Tool Box- $158.14

1 Box, Special Pattern, (outside dimensions to correspond
with those of regular ammunition boxes)-$5.00

Containing:

1 belt filling machine -75.00
1 set of springs for above - .59
1 D. E. clearing tool- .37
1 belt repairing tool -1.50
1 pair of cutting pliers - .56
1 file- .37
1 screw driver-.31
1 oil can, pint -.37
1 tin box for strips and eyelets- .25
24 brass strips - long @ .001/2 - .12
24 brass strips - short @ .001/2 -.12
100 eyelets-.05
1 brass water vessel with handle and valve (carried outside)- 2.75
Total for Belt Filling Machine Box-$87.35
Total for 1 equipment, complete, comprising gun, tripod,
Tool box and belt filling machine box- $1662.61
Total for 50 Equipments, as above-$83,130.50
1,750 Ammunition belts, 250 pockets @ 3.36 -$5,880.00
1,400 Ammunition Boxes @ 3.30 -$4,620.00
300 Water Boxes, Special type @ 6.00- $1,800.00

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