i)*m strong-"corporate DEBIT MEMO MJCASTEP.Va.

TCtCX: 0S-25S62 CABLE: "AMASCOLIM" TELEPHONE: ISM) 861-8201 PLAINTIFF'S EXHIBIT [ GF-1387 ASBESTOS CORPORATION LIMITED HEAO OFFICE: 1940 SUN LIFE BUILDING 1I5S METCALFE STREET.

PLAINTIFF'S EXHIBIT GF-1495 RUBEROID 7 ASPHALT and ASBESTOS BUILDING MATERIALS PRICE LIST No. 162 Published to the Trade November 1,1948 Prices published herein super* sede oil previously, published prices and are subject to change without notice. 500 FIFTH AVENUE NEW YORK 18, N.

- * PLAINTIFF'S EXHIBIT GF-1811 *l/en*Kattt for Town Meetings and...

PLAINTIFF'S & EXHIBIT INDUSTRIAL HYGIENE: FOUNDATION OF AMERICA, INC. 4400 Fifth Avenue ;> lv .

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AIA-87 | Xarch 15, 1943 i I j Dr.

AyMl1 I J^iSSSsw--- f '" f INDUSTRIAL HYGIENE FOUNDATION I ..........O...F....A...M...E...R.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 Although it is possible under certain conditions to recognize the presence of particles smaller than 10 microns, the normal eye is unable to resolve any dimension under about 50 microns, and thus all air floated material of this kind is too small to identify without the aid of a micro scope. j Fig. 1.

HEATING VENTILATING AIR CONDITIONING CUIDE 1940 market, such as fabric filters, dust traps, settling chambers, centrifugal separators, electrical precipitators, and gas scrubbers, described in Chapter 27.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 Table 6.

i HEATING VENTILATING AIR CONDITIONING GUIDE 1940 CHAPTER 15.

p ( HEATINC VENTILATING AIR CONDITIONING GUIDE 1940 Table 3.

HEATING VENTILATING AIR CONDITIONING GUIDE 1940 Table 2.

HEATINC VENTILATING AIR CONDITIONING CUIPE 1940 Flow meters using an orifice, Venturi tube, flow nozzle, or Pitot tube as the primary device are made by a number of manufacturers and can be obtained in either the mechanically or electrically operated type.