CATHETOMETERS Two Models ·
40 c m . Scale
100 c m . Scale
For reading t h e r m o m e t e r s , b u r e t t e s a n d m a n o m e t e r s where close observation is dangerous or impracticable. Telescope is m o u n t e d by special c l a m p t o t h e calibrated support c o l u m n adaptable t o vertical or horizontal p o s i t i o n . T h e telescope w i t h cross hair gives 20X at 30 c m . m i n i m u m focus d i s t a n c e a n d 8X at infinity. 8 i n c h telescope e x t e n d s t o 10' 2"· W i t h support vertical, telescope s w i n g s t h r o u g h 90° horizontal arc a n d 360° vertical. Like m o v e m e n t s c a n be m a d e w h e n support is horizontal. Telescope a n d support c o l u m n are nickel-plated brass. T h e c o l u m n h a s a scale graduated in 1 m m . subdivisions readable by vernier t o 0.1 m m . Cat. No. 12-620 w i t h 40 c m . scale is $160.00; No. 12-625 w i t h 100 c m . scale sells for $265.00.
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Eberbach
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CORPORATION
Ann ARBOR, miCH.
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For further information, circle number 41 A-1 on Readers' Service Card, page 83 A
THE
NEW RSCO
AUTOMATIC FRACTION COLLECTOR
Write for Bulletin 1205-C or contact your authorized RSCo Dealer
VERSATILITY • Metering by Volumetric Siphoning, Timing or Drop Counting • Operation with multiple columns or with single column and swivel funnel • 24* and 15" diam T u r n t a b l e s accommodating 90 to 500 t u b e s of 10 to 25 mm diam RELIABILITY • P o s i t i v e indexing system • Funnel d r a i n s into output container at end of run φ Automatic stop a c c e s s o r y turns off columns at end of run • Motor and drive mechanism s e a l e d against moisture • C a s t aluminum b a s e with rigidly a t t a c h e d s t a i n l e s s s t e e l column support rods for a s s u r e d permanent alignment SPACE ECONOMY • Plug-in control u n i t s for Timing and Drop Counting require no added bench s p a c e • T o t a l required bench s p a c e 2 4 " χ 34" with 24" T u r n t a b l e s , 15" χ 2 5 " with 15" T u r n t a b l e s ^^^mmm^^^^^^^^^^^^^
Reco division of
RESEARCH SPECIALTIES CO. 2005 HOPKINS ST.
PRICES FROM $435.00
B E R K E L E Y 7, C A L I F .
For further information, circle number 41 A-2 on Readers' Service Card, page 83 A VOL.
2 9 , N O . 1 1 , NOVEMBER 1 9 5 7
•
41 A
