W. A. TAYLOR and CO

housed in a new plas- tic turret — ... new liquid scintillation counter. 110. Spectrometers. Data on new. NMR unit. 216 ... Taylor. You can't beat a...
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JheHew COURTAULD ATOMIC MODELS

Product Capsules Showers. Safety angles. Catalog. Sieves.

drench

from

all 160

Molecular sieves in GO grades. 28

Spectra Standards. Booklet on common spectra standards.

offered 183

Spectrofluorometers. Catalog on identification, analysis unit. 171 Spectrographs. Data convertible E b e r t unit.

on 3.4

meter 87

Spectrographs. Catalog on 1.5 meter stigmatic grating unit. 53 Spectrometers. new N M R unit.

Application data on 131

Spectrometers. mass units.

Bulletin

on

2 new "6

Spectrometers. Data on direct-read­ ing polychromator. 88 Spectrometers. Bulletin liquid scintillation counter. Spectrometers. unit.

Build large t r a n s p a r e n t models like these polypeptide chains — and handle them with ease. The space filling Courtauld Atomic Models are the only system with elastically distortable bond angles. They are novo made of hollow plastic — strong and light. Brass connecting links are housed in a new plas­ tic turret — assembly is fast, easy and without tools. Molecules have open structures — bond lengths and directions can be studied and measured. Send for new, free leaflet. The exclusive d i s t r i b u t o r s — THE

Ealing

CORPORATION

33 University Road, C a m b r i d g e 3 8 , Massachusetts Telephone • Klrkland 7-5760 Teletype · Cambridge 62 Cable Address : Ealing Circle h i

54 on Readers1 Service Carr

on

D a t a on new

new 110 NMR 216

Spectrometers. Info on new tri-purpose direct reading unit. 118 Spectrometers. monitoring unit.

D a t a on new process 215

Spectrometers. D a t a on new N M R unit for organic chemists. 132 Spectrophotometers. UV-VIS unit offered. Spectrophotometers. new D B unit offered.

Spectra on new 176 Data

file

on 145

Spectrophotometers. Booklet, " F u n d a m e n t a l s of Spectrophotometry." 54 Spectrophotometers. up far UV.

New unit opens 201

Spectrophotometers. I R unit. D a t a

UV, VIS, nearfile. 47

Spectrophotometers. new, low-cost I R unit.

Data

file

on 147

Spectrophotometers. Data D - B UV unit and recorder.

file

on 144

I GOOFED! (I didn't buy α Taylor Comparator the first time.) I thought comparators were pretty much the same, but, was I wrong! Broke two of those fragile, individual glass standards the first week . . . and things were really fouled up. Got a Taylor Comparator as soon as I could . . . and I'm reaHy sold on Taylor. You can't beat a slide with all the color standards right in it for convenience and easy use. Taylor Comparators — with guaran­ teed non-fading color standards in a single slide — let you make fast, easy, accurate tests for pH chlorine, phosphate, silica, nitrate and chro­ mâtes, etc. . . . right on the spot. You get dependable data to help you control chemical processing, water purification, waste treatment.

ALSO AVAILABLE Taylor Midget Iron Tester, Taylor Water Analyzer for colorimetric water analysis.

Spectrophotometers. line operated unit.

Bulletin on AC 39

ALL TAYLOR COMPARATORS HAVE GUARANTEED N O N FADING COLOR STANDARDS

Spectropolarimeters. matic recording unit.

Data on a u t o ­ 17

SEE TOUR DEALER for Taylor Sets or immediate replacement of supplies.

Stirrers. Stepless control from 6 0 to 6000 r.p.m. 185 Stirrers. Bulletin on magnetic with enclosed rheostat. Supplies. 592-page catalog offered.

19b'J

unit 125

electronics 42

FREE HANDBOOK, "Modern pH and Chlorine Control". Gives theory and application of pH control. Illustrates and describes full Taylor line.

W. A.TAYLORandCO. 7306 YORK RD. · BALTIMORE-4, MD.

Circle Νί 144

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