Product Capsules Oscilloscopes. Brochure digital memory unit. Oscilloscopes. sweep delay.
on
new 175
Dual-beam model with 179
Osmometers. For molecular weight determinations from 100 to 25,000. 64 pH Meters. Info on model with stable, drift-free circuit. °5 pH Meters. Data file on units with push-button control. 213 pH Meters. Model has a.c. line opera tion, zero drift. 57 Pipets. Units in many sizes have fused-in graduations. 26 Pipets. Unit has square shoulder con striction. 59 Plasma Units. Bulletin on units with controlled hi-temp. heat source. 56 Polarimeters. System for circular or plane polarization. 76 Polarographs. Data unit with 10" chart.
on recording 172
Porosimeters. Two models for deter mination of surface structure. 32 Presses. Bulletin on model for form ing KBr pellets. 58
Φ**
Worth writing for 3 6 PAGES — FREE OF CHARGE ADM-30, "Detection and Analysis of Con tamination" outlines the measurement of particulate contamination with Millipore fil ters as applied to hydraulic fluids, air, fuels, lubricants, solvents, garments, surfaces and other aerospace and industrial fluids. To get a copy of this manual, write to
71/7·//·
· FILTER
Millipore
CORPORATION
1 1 5 A s h b y Road, Bedford, Mass. Millipore® filters are cellulose plastic porous membranes made in twelve pore-size grades from 8 microns down to 10 millimicrons. In microfiltration or analysis, all matter larger than the filter pore size is screened from fluids and retained on the filter surface. Circle No. 145 on Readers' Service Card
Pumps. Many models of centrifugal pumps available. 130 Pumps. Syringe pump gives repro ducible flow rates. 85 Radiochemicals. Packaged to safe guard purity and for easy handling. 192
Reagents. Bulletin on many solutions in convenient dispenser. 37 Reagents. Info on uniform solutions for gas analysis. 22
buying a pump in a poke?
Recorders. Info on 3 models for lab, industry or OEM applications. 185 Recorders. Model records 4 cycle per second signals. 33 Recorders. Model has electrically switched three-speed chart. 167 Recorders. Info on unit measuring l/100th of a millivolt. 160 Refractometers.
models.
Catalog describes 8 13
Resins. Bulletin, "Modifier for Epoxy Resins," offered. 197 Rotators. Multi-purpose unit has 3 different heads. 60 Salinometers. Precise measurement of electric conductivity. 17 (Continued on page 152 A)
No need, really — when you can send for the new Bulletin 131 from Eastern Industries and make sure! If you need a centrifugal pump with pressures up to 70 psi, with flow rates to 70 gpm, this catalog is for you. Gives you all the details you want:
choice of motors · enclosures · drives seals · materials · installations. All told, here are fifty models. Send for this handy guide to better pumps now — and find out why this little pump went to market.
EASTERN A DIVISION
TOO S K I F F
INDUSTRIES
OF L A B O R A T O R Y
STREET
FOR
· HAMDEN
ELECTRONICS.
14.
INC.
CONNECTICUT
BRANCH OFFICES: Topsfield, Mass., Lyndhurst, N. J., Wilmington, Del., Chicago, I I I . , Torrance, Calif. IN CANADA: ENTERPRISE AGENCIES, INC., Montreal, Quebec Circle No. 121 on Readers' Service Card
VOL. 36, NO. 6, MAY 1964 ·
151 A
