INDEX 
3 
Allegheny County Home and Hospitals. ............ 
Allegheny General Hospital. . . . . 
Allegheny Observatory. ..................... . 
Allegheny Steel Company, steel castings, boiler tubes. . 
Allegheny Valley Hospital.............. . 
Alpha Portland Cement, cement. ................... 
Aluminum Company of America, aluminum. ......... 
American Bridge Company, steel bridges, structural steel 
American Fruit Growers Inc., distribute fresh fruit, 
vegetables................ 
American Natural Gas Co., natural gas, ............. 
American Refractories Co., brick.................... 
American Steel Co., ingots, wire, nails. . ............. 
American Steel and Wire Co., galvanized wire, nails, 
SPINES. Lottie 
American Vitrified Products Co., drain pipe, paving 
American Window Glass Machine Co., window glass. . . 
Arkansas Natural Gas Co., gas, oil, gasoline. ....... 
Armour and Co., meat packing..................... 
Armstrong Cork Co., cork and corkboard, linoleum. . . 
Arnold School, prep school for boys. ..... 23 
Associated Banks of Pittsburgh. . . . Sh Ben nnn 
Banking & Finance. ............................... 
Barnsdall Corp., oil, gas, gasoline, mining. .......... 
Belvedere General Hospital. .................... ... 
Braddock General Hospital. ........................ 
Braeburn Steel Corp., crucible steel and alloys. ....... 
Brashear, Dr. J. A., leader in lens manufacture. ....... 
Byers Co., The A. M., wrought iron pipe............. 
al 
Canonsburg General Hospital. .......... ... ....... 
Carbon Steel Co., alloy and special analysis steel. 
Carnegie, Andrew, philanthropist. . 
Carnegie Dept. of the Museum. . . 
Carnegie Dept. of Fine Arts. ........ 
Carnegie Institute. .................. 
Carnegie Institute of Technology. ... ~. .. 
Carnegie Music Hall. . ...................... 
Carnegie Steel Co., iron and steel... .......... 
Castalia Portland Cement Co., cement. . . . 
Children’s Hospital of Pittsburgh. .................. 
Citizen’s General Hospital, New Kensington, Pa... ... 
Vol. 
16 
16 
14 
3 
16 
8 
13 
9 
Date 
Dec. 1928 
Dec. 1928 
Apr. 1928 
Jan. 1920 
Dec. 1928 
Dee. 1921 
Apr. 1927 
Jan. 1920 
12 Dec. 1925 
10 Dec. 1923 
9 Dec. 1922 
3 Jan. 1920 
8 Jan. 1920 
9 Dec. 1922 
5 Dec. 1920 
11 Dec. 1924 
12 Dec. 1925 
13 Apr. 1927 
15 Apr. 1928 
17 Sept. 1930 
17 
11 
16 
16 
3 
5 
18 
Sept. 1930 
Dec. 1924 
Dec. 1928 
Dec. 1928 
Jan, 1920 
Dec. 1920 
Apr. 1927 
16 
9 
Dec. 1928 
Jan. 1920 
Sept. 1919 
Apr. 1928 
Apr. 1928 
Apr. 1928 
Apr. 1928 
Apr. 1928 
Sept. 1919 
Dec. 1921 
Dec. 1928 
Dec. 1928 
16 
16