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26 - THE MarRINE. REVIEW. BAY NO, e SHOWING PAXT OF ARMAMENT OF ITALIAN BATTLESHI? REGINA ELENA, THE ARMSTRONG POZZUOLI WORKS AT NAPLES. The accompanying photographs are views of parts of the Armstrong Poz- zuoli Co., Ltd., works at Naples, Italy. The principal structure in the works, the large machine shop, is a rectangular building near the center of the grounds, measuring about 460 ft. by 360 ft. and covering about 4%4 acres. It contains more than 500 machines, tools of vari- ous kinds, and is divided by lines of pil- lars into eight parallel bays, running east and west, with north lighted weaving shed roofs. a special department, the arrangement being as follows in order, from north to south: Bay No. 1 is devoted to. small calibre ordnance and the production of sighting arrangements. No. 2, the heavy ordnance division, contains boring and rifling lathes, with beds up to.50 ft. in length, which are served by two over- head traveling cranes of 70 tons each. Bay No. 3 contains all the machinery necessary for the production of ordnance Each bay is appropriated to- of medium calfbres, the boring of the inner tubes and hoops of the larger sizes, rate of 1,000m per hour at any required tension, the latter element being -suscept- ible of regulation with the greatest ex- actitude. The transport service is done by three traveling cranes for 30 tons, 15 tons, and 5 tons respectively. In No. 4 bay, the building of armored sh'elds and turrets is carried on;: these parts are usually completed, erected and fitted in the works before being placed on board ship. The heavy work is done by a 50- ton crane, in addition to three smaller ones similar to those of No. 3. The same work is continued in Bay 5. The sixth bay, in addition to containing the heavy planing machines for armor plates, is specially assigned to the construction of gun carriages and mountings, which are erected in Bay No. 7, and also fin- ished in that department., The remain- ing bay, No. 8 together with some. pro- jecting annexes at the west end of the shop, contains the projectile and fuse making departments and. the general tool LARGE MACHINE SHOP, BAY NO, 5. and that, for wire' winding on those of any calibre. This can be done at the EMBARKING A TURRET For A 305-M M GUN ON A BATTLESHIP, room for the whole works. The finishing and inspecting ments for small and medium calibre guns, are contained in a_ building of about the same length as the main shop, but separated from it by the works rail- way. Here all the final operations con- nected with sights and breech actions, polishing, browning, lacquering, etc. are performed, depart- The hardening and shrinking pits are placed a short distance from the heavy gun bays on the eastern side of the main shop. They include one small and two large pits for shrinking on jacket hoops with two hydraulic cranes for 25 and 15- ton loads, a 200-ton press, two furnaces with rotating beds for heating blooms and hoops, two special furnaces for heating hoops with Bunsen burners, and an oil hardening pit 56 ft. deep. The steel works, placed about 220 yds. west of the principal shop, is a