Refine
Estimated Years
1900-1909 (3635)1910-1919 (3972)1920-1929 (5061)1930-1939 (14210)1940-1949 (19188)1950-1959 (21856)1960-1969 (31974)1970-1979 (88744)1980-1989 (47438)1990-1999 (21210)2000-2009 (18679)2010-2019 (39448)2020-2029 (28622)Undated (267355)
611,392 results foundRefine Search
HEATING VENTILATING AIR CONDITIONING GUIDE 1942 MOORE, R.
Document image
refid# kg6b6qbK6xXrXw4pLEV8XbRn1 page
wmsmmrn Heating Ventilating Air Conditioning Guide 1943 ?
Document image
refid# baOy9Ox7eMy55LVEa35vYzX01 page
HEATING VENTILATING AIR CONDITIONING GUIDE 1943 .
Document image
refid# x1wJEXMrXwqJ4Ljbowrb78Yjb1 page
HEATINC VENTILATINC AIR CONDITIONING CUIDE 1943 perature reaching a maximum of 93 F as shown by the temperature curve in Fig. 3 and an indoor temperature of 78 F and 50 per cent relative humidity.
Document image
refid# pBvV9VmD6m2xYwYqLamdX9kjE1 page
HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Fig. 8, the pressure head and the temperature.difference were assumed and the pipe sizes found.
Document image
refid# aDD8q7qVZM0MOO1RROLvj124y1 page
HEATING VENTILATING `AIR CONDITIONING GUIDE 1943 branches are of 1 in. pipe, water will circulate through the system at the rate of 3 gpm with a temperature difference somewhat less than 40 F and that, at the radiator connec tions, water will circulate through the radiators at the rate of 1 gpm and that, conse quently, between radiator branch connections the fh is at a lower rate since only 2 gpm flow through in the main between those points.
Document image
refid# NNk76kKaRQyMZV5XVv9zyBv2V1 page
HEATING VENTILATING AIR CONDITIONING GUIDE 1943 8.
Document image
refid# zQbwDaQRBdgo12v1dnZV6MnJ61 page
HEATINC VENTILATING AIR CONDITIONING CUIDE 1943 The connections between the conditioner and fans is divided or partitioned in such a manner that a by-pass connection can be made to each fan.
Document image
refid# pBb4z79q3D64LZveDVonjJxBD1 page
HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 low speed partially balanced compressors, it has been found necessary to add a founda tion weighing 2 to 3 times the weight of the motor and compressor, in order to maintain the machine movement below 0.03 in.
Document image
refid# Yrg2BepEM0Kxj4GpX0jg73G01 page
Air System Equipment Motors GENERAL fp ELECTRIC Schenectady, N.
Document image
refid# 6bLRx27BJnGezQR8YwKrvdwLd1 page
Heating Systems not water Bell and Gossett Company Morton Grove, Illinois (Suburb of Chicago) HOT WATER SYSTEMS AND SPECIALTIES B & G MONOFLO HEATING SYSTEMS B & G Monoflo Fitting A genuine advance in con trolled and economical heat ing is offered by the B & G Monoflo System.
Document image
refid# MNJ1gd31jXkXzB1JgR2kv5a71 page
HEATING VENTILATING AIR CONDITIONING GUIDE 1943 EXHAUSTERS Buffalo Forge Company. 965 Wagner Electric Corp., 978 American Blower Corp., 884-885 Autovent Fan & Blower Div., Herman Nelson Corp., 921 Champion Blower & Forge Co., 966 DeBothezat Division, American Machine & Metals, Inc., 967 W.
Document image
refid# qdp1jynp0kex6e0Dewwv3XbNk1 page
HEATING VENTILATING AIR CONDITIONING GUIDE 1943 AHLFF, Albert A.
Document image
refid# 6wM2aq6X8ByMQ4Y9XGoNjGGp61 page
HEATING VENTILATING AIR CONDITIONING GUIDE 1943 AUSTRALIA Darllnghurst-- .
Document image
refid# gDVGMDq2vw894ppYOEmJ2km4Q1 page
HEATING VENTILATING AIR CONDITIONING GUIDE 1944 .
Document image
refid# 2qjQgQOOOymxpDLJo1oRrm5Mb1 page