Marine Iron Works of Chicago Illinois c1905

Brass Vacuum Gauge

Gauge has been rehabbed & polished by past handlers. Being sold as Inoperable

Lid is tight. Screws/un-screws but will not fully thread. See last photo

7 1/4"  5 lbs

"Since the dawn of its history as a civilized community Chicago has found appreciation of its splendid water-transportation advantages, and in connection with the development of marine commerce on the Great Lakes there has been offered a great opportunity for the establishing in Chicago of important industrial enterprise for direct relevance to the lake-marine service. One of the foremost productive enterprises of this order is that of the extensive and well ordered Marine Iron Works, designers and builders of marine engines, boilers and machinery, ranging from ten to two thousand horse power, and attention is given also, under the most favorable of conditions and auspices, to other special marine work. The offices and manufacturing plant of this representative Chicago institution are situated at 2036-44 Dominick street. Here are produced the largest and finest types of triple-expansion marine engines, the output including various sizes and types and representing the maximum of excellence. The heavy-service and Triple Expansion fore and aft compound marine engines manufactured by the company are built for hard service and high steam pressure, and all, from the smallest to the largest, are of the substantial open-front "bar" guide design. The output includes also vertical tendem compound marine engines for small and medium steam craft, and these are specially applicable to hard-working boats operating on salt water or wherever economy of space is of paramount importance. In short, the company manufactures the ultimate types of engines for use in navigation on both fresh and salt water, and the business has developed to large volume in connection with vessels plying salt water as well as the Great Lakes and other mediums of inland navigation. Stern paddle-wheel engines are manufactured in both high-pressure and compound condensing types; the line of boilers includes the Clyde, the Scotch, the locomotive-firebox, the Westriver, the submerged-tube verticle and other marine types, and the concern also produces a great variety of special marine machinery and appurtenances, including condensing apparatus, machinery for South American countries, steel-frame boat hulls. propeller wheels, cargo hoists, steam capstans, tow-posts, test and centrifugal pumps, throttle valves, steering wheels, et