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 (88747)1980-1989 (47438)1990-1999 (21210)2000-2009 (18679)2010-2019 (39452)2020-2029 (28738)Undated (267365)
611,525 results foundRefine Search
This photograpk shows, at the left, an Elliott motor-driven blower installed in 19iS.
Document image
refid# 6BYqkjoR6nmkEnp2kzb9L1MZd1 page
*esieAafe4- BWTCWER THEY NEED... ipWf'S A BY-PRODUCT... ffn this Bleachery and Dye Works At the Qreat Falla Bleachery & Dye Work*.
Document image
refid# 91dMX3dbOdLp0NNEvGn8x48R71 page
Automatic Combustion Controls nmi/nted lales, safeguard!
Document image
refid# KoLr94w4x172J7gwXr110J9Q1 page
M%SSal M%R^IE"C ' MAKE THE DIFFERENCE HIAVr-DUTY STEtl BOILCRS There i$ more pul into Kewanee Boilers so their owners got more from them.
Document image
refid# 06Qnwkkdn4K1mrxk3d80v348m1 page
American Standard, Inc.
Document imageDocument imageDocument imageDocument image
refid# X7VwY8d7aXdnRbeDERRqYZ0k415 pages
'''AMERICAN STANDARD KEWANEE SQUAREHEAT G--A.S BOILER?.
Document imageDocument imageDocument imageDocument image
refid# Jzzz4gO47v3M8e7k483ozowr6 pages
KeWANEE, SOILED CORPORATION KEWANEE, ILLINOIS Division of AMERICAN RADIATOR & ^tattddpd ^anitdP^ CORPORATION Eastern District Office, 40 West 40th St., New York City 18 BRANCHES IN 64 CITIES 523 COPYRIGHT 1940 PRINTED IN U.
Document imageDocument imageDocument imageDocument image
refid# jB80JBqEZ5r3z4Xyzmbywoe3R12 pages
TV REPORT COOO'otted 6 Points to Consider Before Putting TV to Work in Your Plant Become its eye Is unblinking, and special filters eon bo used to compensate for untovi lighting or glare conditions, you see more wit than you could by full-time personal observ{ But the equipment needed varies widely aeco'i to what it has to do.
Document image
refid# nkNjvB0gdwnbXkzwg7X60Qk281 page
The Economizer with the "Diamond" Design Here are the four major values in the "diamond" shape <rf the Green Fuel Economizer: 1...
Document image
refid# 7ORp3gwpgnxDEGY9Oj9Zd3qoa1 page
m HALL REPORTINDUSTRIAL WATER Hall Laboratories, Inc.
Document image
refid# 69V2qeLZX7X7MzQkoBwkm9j91 page
TUBE TURNS' HELPS DEVELOP NEW PIPING TECHNIQui his story of how .a large Tprocessor saved $50,000 and conserved scarce copper with a new approach to a piping appli cation shows why Tudb Turns, ' Inc. is so highly regarded as an authority on piping engineering.
Document image
refid# mB2R1xQ3kJnjgxawKY48KeqzB1 page
NICHOLSON TRAPS SAVE CAR OF COAL WEEKLY ioi This Large Steam User Following replacement of oil stoam traps of various makes, with Nicholson units, on Eastern college reports;--"An averoge coal saving of 1 carload per week besides much better hoot distribution".
Document image
refid# kmwVGxvLkkVQjM70VezL83w0n1 page
REfRIGERATION' Here are seven easy-touse formulas to find capacity of your system, be it direct or tndirect type.
Document image
refid# zd8p7e90EykZ9Ox7ooj7yb2Yn1 page
More PRACTICAL IDEAS.
Document image
refid# xjgQ76RGnO22LgEo40GGG4YDg1 page
DEFENSE DIGEST Your roundup of mobilization news and trends attesting power ml National Production Authority is now a permanent Commerce Dept agcncy.Business executives, on loon for d^month rotation periods, will run its 20 main industry divisions.
Document image
refid# a1ObqdO9n6Q9BZdw3Omk5zLk91 page