Vacuum Ultra Violet Instrumentation . 5 METER S C A N N I N G V A C U U M U . V . LABORATORY, SEYA-NAMIOKA
TYPE
T A B L E OR C O N S O L E — M O D E L 2 3 5
Many major advantages never before available in combination in a single instrument are now encompassed in t h e new McPherson Vacuum U. V . Scanning Monochromator, Model 225. Outstanding features include: McPherson type optical system · Maximum flux density · Minimum polarization · Accurate automatic focus throughout the entire wavelength range · Effective use of large aperture gratings · Convenient inter-changeability with kinematically mounted gratings · Stationary entrance and exit slit positions · Stationary entrance and exit beams · Sine drive scanning mechanism · Veeder counter reading for actual wavelengths in Angstrom units a t exit slit · Accurate synchronization between scanning and recording mechanism · Accurate wavelength determination from strip chart recorder · Easily adapted for film work.
.5 METER V A C U U M U.V. S C A N N I N G MONOCHROMATOR CZERNY-TURNER
TYPE
MODEL 2 1 5
2 METER
GRAZING
V A C U U M U.V. S C A N N I N G
INCIDENCE MONOCHROMATOR
MODEL 2 5 5
1 METER
NORMAL
INCIDENCE
MCPHERSON TYPE VACUUM 2 METER
COMBINATION
SPECTROGRAPH A N D S C A N N I N G
U.V. S C A N N I N G
MONOCHROMATOR
MODEL 225
V A C U U M U.V. MONOCHROMATOR
MODEL 2 4 0
Assisting the scientists in such fields as • Solid State Physics • Thermo-Nuclear Reactions
• Space Science • Chemistry
• Optics • Rocketry
Mc. Pherson 3 METER H I G H R E S O L U T I O N C Z E R N Y - T U R N E R T Y P E V A C U U M U.V. MONOCHROMATOR—MODEL 2 5 0
I N S T R U M E N T 5 3 0
MAIN
STREET
A C T O N ,
M A S S
C O R P . COIonial
S-VySS
Circle No. 191 on Readers' Service Card
86 A
ANALYTICAL
CHEMISTRY
Circle No. 134 on Readers' Service Card-
