397 California Historical Society for reference use only April 11, 1921 #1817 JAessrs.W.P.

May 2, 1921 #1841 Messrs.ft.P.

685 -------KNCLOStfRHS California Historical Society for reference use only ----^ NSW YORK, SEPTEMBER 9Ui, 1921.

% & W/, i% '$$nr ,V % The Coast Directory Company's Map of the Three Cities BURLINGAM HILLSBOROUGH SAN MATEO CITY DIRECTOR 1929 Comprising an Alphabetical List of Business and Firms and Individuals, All Residents Over th Eighteen Years, Schools, Churches, Etc., a R Directory and Street Guide, and a Class Business Directory PRICE .....................................................................

/ 1 `2 5 \ Years of Usefulness 1802 v 1927 y Y CITY HRUCKING COMPANY iggSMBf.

. .... ^ '' - -DEPARTMENT OF.TI^E, IN A-l--b--e---r--t--t ,B, .Fa l l , Secreta Un it e d St a t e s Ge o l o g ic Ge o r g e Ot is Smit h , Direc MINERAL RESO OF THE UNITED ST 1920 \ i< t*<. gt >& G.

Annual Report Th e Sh er w im-Wil l iams Co .

74 Am.

American Society of Heating and Ventilating Engineers Guide, 1924-25 especially with widely fluctuating loads as the efficiencies of centrifugal boiler feed pumps drop off very rapidly for the smaller sizes of pumps and for low load conditions.

American Society of Heating and Ventilating Engineers Guide, 1925-26 .sc '< U. d a Q .OClntN o - Tf sOO O wSa^fO'ooo fO 06 O' T* *0 -l O' ^-t cm ^ r- --< Tf* - sa S3 j xD <g a> I> OH fgrf Va) Wj &<-> '!

American Society of Heating and Ventilating Engineers Guide, 1925-26 17.Table Heat Emitted by Persons per Hour at Different Room Temperatures H = Heat emitted by man at rest per hour.

American Society of Heating and Ventilating Engineers Guide, 1925-26 area of the leader, the designer must make allowances for all other conditions.

D iameter of Pipe C uric F eet per M in u te American Society of Heating and Ventilating Engineers Guide, 1926*27 V} O o 2 1000,000 600,000 600,000 900.000 400.000 Xdfioo 200.000 150.000 100.000 60,000 60,000 50.COO 44000 90.000 20.000 15.000 (0,000 0,000 6.000 5.000 4.000 3.000 2.000 r.soo 1,000 600 600 900 400 300 too (SO 5 o 55 55 - N *9 T *V * h > *9 2 2 o $ ,2 8 Friction in Water Gage per 100 Feet Fig. 77.

Roll of .Membership RINKENBERGER, George, (1924), Sales and Htg.

American Society of Heating and Ventilating Engineers Guide, 1928 Usually, in an actual wall exposed to wind on the outside, K, (Table 5) is greater than Kx and (^-/0) must be less than (t-tx).