This text was obtained via automated optical character recognition.
It has not been edited and may therefore contain several errors.

---

Chronology 01 Aids to Navigation
Page 25 ot 32
1922 To avoid the danger of a confusion of sounds when a bell buoy was placed too close to an existing bell buoy, a gong buoy was designed, which works on the same principle as a bell buoy but which gives an entirely different sound. This gong buoy was placed on station and proved satisfactory. (USLHS AR 1922, p. 15).
1922 During Fiscal Year 1922, acetylene lanterns, previously only acquired by purchase from the manufacturers, were made at the General Lighthouse Depot at a considerable saving. (USLHS AR 1922, pp. 15-16).
1922	A special type of lighted and bell buoy, having an automatic striking mechanism operated by compressed carbon dioxide, and weighing 18 tons when fully equipped with illuminating and fog-bell apparatus, was designed to relieve Tail of the Horseshoe Lightship In the 5th Lighthouse District. (USLHS AR 1922, p. 15).
1922	During Fiscal Year 1922, a readjustment was made of pay scales on vessels of the Lighthouse Service on the Atlantic and Pacific coasts and the Great Lakes and a system of longevity pay for all officers was introduced, (USLHS AR 1922, pp. 12-13).
1923	A submarine oscillator was placed on the Nantucket Shoals Lightship. (Putnam, p. 234).
1923	The first Service application of a hygroscopic controlling device for fog signals was made at the Lambert Point Fog Signal Station, Virginia, in connection with a 1,000-pound bell and electric fog bell striker. (USLHS AR 1923, p. 14).
1924	(23 April) A tube transmitter for radio fog-signal stations, developed to take the place of the spark transmitters in use, was placed in service on the Ambrose Channel Lightship and proved successful. (USLHS AR 1924, p. 1).
1924	(1 July) An adjustment of the compensation of vessel officers in the Lighthouse Service was made effective in order to bring the pay of these positions more nearly on a level with that of similar positions in the U. S. Shipping Board, the Lake Carriers Association, and other shipping interests. (USLHS AR 1924, p. 6).
1925	(4 March) An Act of Congress (43 Stat. L., 1261), for the first time, provided for disability retirement within the Lighthouse Service. (Weiss, p. 77).
1925	(27 February) An Act of Congress authorized the purchase of rubber boots, oilskins, etc., for the use of personnel while engaged in lighthouse work requiring such equipment. Actually, this legislation simply confirmed an existing practice. (USLHS AR 1925, p. 6).
1925	(27 February) An Act of Congress repealed the law providing a ration allowance for keepers of lighthouses and increased their salaries correspondingly. This change was not only advantageous to the light keepers, but also simplified office work. (USLHS AR 1925, p. 5).
1925	(12 June) The Lake Huron Lightship radio fog signal was placed in commission, being” the first signal of this kind on the Great Lakes. (USLHS AR 1925, p. 1).
1926	(22 Hay) An Act of Congress extended the benefits of the Public Health Service to apply to light keepers located at isolated points, who previously had been unable to avail themselves of such benefits, and made provisions for medical supplies and hospital services for the crews
http://www.uscg.mil/hq/g-cp/history/h_USLHSchron.html
5/17/2005