Refine
Estimated Years 1920-1929Clear
2,678 results foundRefine Search
This page, top row: (left) Louis Townsend (Elwin's father), co-founder of Townsend Unit Parts Co. in front of counter when store opened in November, 1927; (center) Norman Townsend in old store, 1972; (right) Elwin Townsend at counter after first store ex pansion in 1939.
Document image
refid# 6QbODM69LB0k6OLYJO9BYQDE1 page
TOXIC EFFECTS OF EXPOSURE TO VAPORS OF ALIPHATIC AMINES HEINRICH BR1EGER, M.D.
Document image
refid# VKEE3wbrOEwgxJLmYaLNM38og1 page
278 CHAPTER 7 "indefatigable self-destructiveness" of enlightenment;73 such pes simism ignores the diversity of ends for which science can be prac ticed, not to mention the power of scientia to act in opposition, in resistance, in restoration.
Document image
refid# zoZdk8D8GKovNzD8ne2Q685ka1 page
J THE HISTORY OF THE ASBESTOS TEXTILE INDUSTRY IN THE UNITED STATES Chapter XX: Raybestoj-Manhettan, tnc.
Document imageDocument imageDocument imageDocument image
refid# JJx2yBoV8YBXOyb63pVJv4ZJO6 pages
PLAINTIFF'S EXHIBIT After the period of soaking has elapsed, work up the mixture with the hoe in the usual manner, adding sufficient water as you go along to bring it to the proper consistency.
Document imageDocument image
refid# eNqGLyOGYNNe2zK9zbJQjYxE2 pages
'S EXHIBIT ' '`t'J 5' > t INSIST ON ^UNITED STATES ft9 SUM COME/ PLASTER ' in ' 11 red top Bags More Yardage EasiestWorking Quickest toApply UniformQuality BB022 2085 There Are Two Reasons for This Book HE first reason is to impart information Tas to the laws which govern the action of all gypsum plasters in order that plaster troubles may be prevented.
Document imageDocument imageDocument imageDocument image
refid# VjVRv8xLqdzLb8reka8gpRY7826 pages
PLAINTIFF'S EXHIBIT GEMEJRAEi APP&ECATEOBJ DETAILS SPECmC APPRECATEOBI DETAK&S PRODUCT Bio.
Document imageDocument imageDocument imageDocument image
refid# 2RM7qgxYmb7BgdLk0x74n8QKL6 pages
RULES AND REGULATIONS COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF HEALTH ' CHAPTER 4 Article 432 Regulations Establishing Threshold Limits in Places of Employment .Under llie proviMious* of the Administrative Code Act or April 9. 1929.
Document imageDocument imageDocument imageDocument image
refid# 70JQybzvX6ngXZjGEvxxQZygE18 pages
CHAPTER 5 Air Leakage_________ ;________ ill oCeakiaye Causes of Infiltration; Infiltration Due to.
Document image
refid# r62dJ9Eq8R9X5NJ9BqyX5ZaOG1 page
Heating Systems Boilers, Radiators.
Document image
refid# zZzKxwbEEK9aZmw1bxbd8jkn1 page
174 ASHRAE Guide And Data Book Catalog Data Section KHD COMPRESSORS: Harry doty Industrial V.S.A.
Document image
refid# zb9xYkyk62JjL22Y94ew7pKoz1 page
T, tk IzuuttTa Oa June S5,1929 the Velfsre Cesnittee "authorised as appropriation of $5,000. par year far five yeara to tho Saraaao laboratory for tho purpose of enabling it ia cooperation with this Cespany to ooatlaao bootoriolegleal studies of silicosis," Deoeaber 14,1939 X wrote to Doctor lease, *Z thawed to tho President tho firat aad ooooad paragraph oa Pago X of Dr, Gardner*e lottor of Doeaobor 12th to yeu aad tho Proddest oayo that with oroato toralag ao they aro aaw wo not aot prealse far la adwaaoo but that yoa oaa oay that wo look upon tho propooitioa aad apoa tho rocults that arc being aoooapllohod with favor aad that oar dlopodtica will ho to roeoanaad renewal'of tho $5,000 approprlatloa for aaothor two years beginning July 1,1934 aaloos aoaavhilo easething happens to nako mo ooaddor ouch action inadvisable** (These two paragraphs wwrsi Usd a asotlag ia Chloago with roproooatativoo of ths fcrtuel Zaouraaco Ceopoalss (liberty, laabsnaao, Xaplejrers aad daorioaa, 2 think.)
Document imageDocument image
refid# 6BqGoRZDDoMoO73gBxnxgeM6g2 pages
WEI7DRY COMMERCTAE^: . ; CANISTEaVACS&^i' ; &m ' Yi' ,-\ .
Document image
refid# wxXmJ9z8gq1vExaDqrdn5beJ1 page
158 Am.
Document image
refid# zzyw54brdmJV1gBOZ9J0Z8k4g1 page
American Society of Heating ana Ventilating Engineers Guide, 1924-25 To use Table 58, multiply the quantity of condensate to be handled by the factor corresponding to the temperature of the con densate at the pump suction and select a pump suitable for the quantity thus found.
Document image
refid# MMgMQbQN14by2q1va15m8VwqM1 page