JAMES G. BIDDLE CO.
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Transcript of JAMES G. BIDDLE CO.
Product Capsules
Lists hundreds of special pieces of glassware. Corning Glass Works, 69-12 Crystal St., Corning, Ν . Υ. 7 3 Α
G l a s s w a r e . The following are some physical properties of the new "Kimax" borosilicate glassware line : strain point, 515° C ; annealing point, 555° C ; softening point, 820° C ; density, 2.23; visible light transmission a t 2 mm. thickness, 92%. Complete information available. Kimble Glass Co., Dept . AC 12, Toledo 1, Ohio. 3rd cover
Hot Plates . Bulletin available on the "Pyrodisc" portable hot plate. Diameter: 8". Power ra t ing: 660 wat ts . Power service: 115 volts, 50/60 cycle. Laboratory Equipment Div., Lindberg Engineering Co., 2474 W. Hubbard St., Chicago 12, 111. 75A-3
Isolation Units. 8-page bulletin available. Describes 7 sq. ft. laboratory for hazardous and impurity-sensitive operations. Fisher Scientific Co., 100 Fisher Bldg., Pi t tsburgh 19, Pa . 8 9 A
Kjeldahl Apparatus . Booklet available containing photos and complete description of all Labconco Kjeldahl apparatus . Line includes s tandard units, hooded units, and variable heat controls. Laboratory Construction Co.,
8811 Prospect Ave., Kansas City, Mo. 96A
Laboratory Apparatus . New Will Catalog 7 available. Contains dozens of comparison charts, reference tables, buying hints, latest prices, newest equipment. T h u m b indexed. Will Corp., N . Y . 52, Ν . Υ. 7 1 A
Laboratory Apparatus . Circle indicated numbers for complete information of following: thermometer reading lens, 92A-2; pellet press, 92A-3; turbidimeters, 92A-4. Par r Ins t rument Co., Moline, 111. 9 2 A - 2 , 3 , 4
Laboratory Equipment. 180-page catalog available. Contains information on company's complete line of modern laboratory equipment. Meta-lab Equipment Co., 252 Duffy Ave., Hicksville, Ν . Υ. 3 4 Α - 1
Laboratory Furniture. Brochure available on "Modul ine" unitized steel furniture cited as being flexible in function and arrangement, ^permanent in i ts all-welded construction, and economical in initial cost and upkeep. Aloe Scientific, Div. of A. S. Aloe Co., 5655 Kingsbury, St. Louis 12, Mo .
81A-2
Laboratory Instruments. Circle indicated numbers for bulletins on the following: line-operated p H meter model 110, 86A-1; line-operated p H meter model 115, 86A-2; battery-operated p H meter, 86A-3; reflection meter, 86A-4; electronic densitometer, 86A-5; multiplier fluorescence meter, 86A-6; colorimeter model 402-E, 86A-7; colorimeter model 450, 86A-8; colorimeter model 401, 86A-9. Photovolt Corp., 95 Madison Ave., Ν. Υ. 16, Ν . Υ.
8 6 A - 1 to 9
Laboratory Suppl ies . Circle 66A for information on complete line of products available from laboratory supply house. Company has 22,000 items in stock for immediate shipment. Ar thur H . Thomas Co., Vine St. a t 3rd, Philadelphia 5, Pa . 6 6 A
Labware , Fused Silica. I l lustrated bulletin available on fused silica glassware cited as providing chemical puri ty, high resistance to hea t shock, unusual electrical resistivity, and ultra-violet transmission (in t ransparent quali ty) . Thermal American Fused Quartz Co., Inc. , 18-20 Salem St., Dover, N . J.
26A (Continued on page 83 A)
άτπ>€ζον . . . from the Greek meaning ' without pressure"
APIEZOrJ-OILS WAXES GREASES
Thesi» Aaiezon produit", have the recognition of leading scientists who accord them top preference for high vacuum work. Beetles of thu exc-.-ed'>igly low vapor p'e^ure of all these ot- distillates, at usual room tempcrcturos, *hey arc in great demand for all sorts of high vacuum work. The r vapo* pressures are ns low a* 10-6 mm Hq , end even unm^asurable at room temperature.
As the excluvvi; distributor in ttir Unittd States, wo ofK-r immediate delivery fiom stock on th.* complète* range of these oils and compounds.
J A M E S G. B IDDLE CO. Electrical and Scientific Instruments
1316 Arch Street—Philadelphia 7, Penna.
For applications, walking <hara<trri%tics and list ernes, write for Bulletin 43-A
B627
Circle No. 80 A on Readers' Service Card, page 73 A
Now available in standard tube, crucible and combustion boat shapes
For temperatures to 4600° F. (2538° C ) . Possesses one of the highest melting points of all commercial refractories.
Leco zirconia ware . . . for crucibles for melting special alloys, tubes for high-temperature combustion or gas synthesis, heat treating and sintering furnaces, and kiln furniture. We will be happy to quote on custom ware.
Leco also specializes in Zircon (ZrSiOO Ware
Write Today for TECHNICAL DATA CATALOG
L A B O R A T O R Y E Q U I P M E N T CORP. 2001 Hi l l top Road · S t . J o s e p h , Michigan
Great chemica l inertness. W o n ' t erode when melt ing steel or high temperature alloys . . . or react when firing titanates or sintering metals . . . or embrittle platinum.
8 0 A · ANALYTICAL CHEMISTRY