Humboldt
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Resilience Ball Penetration Tool
HumboldtPenetration Needle, ASTM D5329 Joint sealant for asphalt & concrete pavements; ASTM D5329, Resilience ball penetration tool. Total wt. 27.5g.
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Gas Cylinder Clamp
HumboldtDesigned to safely and conveniently secure compressed gas cylinders in an upright position. Accommodates cylinders 4-1/2" to 11" (114mm to 279mm) in diameter. The heavy-duty clamp with adjustable thumbscrews fits conveniently on any bench up to 2" (51mm) thick without marring the surface.
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Cork Press
HumboldtThe Cork Press is a rotary compression device used for softening and tapering corks ranging in sizes from 0 to 22. The unit is cast aluminum and can be wall or bench mounted. Overall dimensions: 10-3/8" W x 5-3/8" H x 3-1/4" D (264mm x 137mm x 83mm).
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Stainless Steel Tongs
HumboldtForged Stainless Steel Jaws Accurately Aligned, Tapered and Corrugated for Gripping, 3/16"(5mm) Wire Size, 9"(229mm) Length.
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Sieve Brush, Coarse Mesh
HumboldtWire loop handle with wire bristles. Bristle length is 1-1/2"x 3/4"x 1/8" (38mm x 19mm x 3mm) and the overall dimension is 5-1/2" (140mm).
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Riveted Joint Tongs
HumboldtTongs, Riveted Joint, steel, nickel plated, 3/16" (5mm) wire size, 9" (229mm) length.
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Mortar & Pestle (Plattner's)
HumboldtHardened alloy tool steel, for crushing hard, brittle materials such as ores, minerals, etc. Mortar 76 mm diameter x 25 mm high Cavity 30 mm diameter x 9.5 mm deep, fitted with precisely machined, removable sleeve for holding crushed material in cavity Pestle 76 mm long x 25 mm…
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Aluminum Flat Nose Scoops
HumboldtBowl Vol./Water (oz/cu. in.): 6.7 (12.2), Length: 6" (152mm), Width: 3-3/4" (95mm), Depth: 2" (51mm), Overall Length: 9-1/4" (235mm).
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Nickel Crucibles
HumboldtNickel crucibles constructed from pure heavy sheet nickel. They are suitable for fusions, including those with sodium peroxide, and are highly resistant to dilute alkalies. Flat-style nickel crucible covers with depression in center for centering on crucibles. Extension on one side for handle.
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Humboldt Beaker Tongs
HumboldtThe Humboldt Mfg. Co beaker tong, extra long breaker tong and replacement ceramic sleeves are suitable for use in research facilities and chemical laboratories while conducting experiments. They are made of high quality material which ensures long lasting usage.
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The Tirril Burner for Small-Scale Burning Test (ASTM D5025) supports the following standards: ASTM D5025 Humboldt's Flame Test Burners are designed to be used as ignition sources for small-scale burning tests, such as the UL flame test and other similar test standards. Supplied complete with…
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14ga Square, Nickel-Chrome Wire Triangles protect glassware on hotplates and over burner flames.
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Clamp and Support Rod
HumboldtHighly versatile, the rod height can be locked into any position by a simple thumbscrew located on the outer edge of the clamp. The clamp features a sturdy handle for tightening the unit on the edge of a table top up to 1-1/2" (38mm) thick. The plated, solid steel rod is 1/2" (13mm) in diameter by…
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General Purpose Tirril Burners
HumboldtThese noiseless burners provide a clear flame of any desired height from 1/2" (12.7mm) to 12" (305mm), with separate control of both flame temperature and flame length. The burners incorporate threaded aluminum air control sleeves and precision machined, fine-pitch brass needle valves…
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Multi-Blade Cork Borer Sharpener
HumboldtHollow ground cutting blades in a conical arrangement for fast, effective sharpening of cork borers. Blades are hardened tool steel for long life.
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Humboldt, Riffle-type sample splitter with removable hopper can be used to divide or halve dry materials such as cement, gravel, powdered ores, coal, coke, sand, soils, etc. Material poured into the hopper is divided into two equal portions by a series of chutes that discharge the material…
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Humboldt Extra Long Tongs
HumboldtThe Humboldt Mfg. Co extra long tong is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures long lasting usage.
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Wooden Test Tube Clamps
HumboldtThis clamp is constructed from hardwood with a smooth finish and self-closing spring. The clamp will accept tubes up to 3/4" (19mm) in diameter. Overall length is 7" (178mm).
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Ottawa Test Sand for Cube Molds
HumboldtSand is specially graded natural silica sand graded to retain 98% on a No. 100 (150µ) sieve, 75% on a No. 50 (300µ) 30% on a No. 40 (425µ) and 2% on a No. 30 (600µ). Specific gravity is 2.65 Packed in 50 lbs. (22.7kg) bags
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Large Deluxe Water Baths
HumboldtThe Large Deluxe Water Bath supports the following standards: ASTM D6927, D5581, D4867 Water Bath with microprocessor-based temperature control same as H-1390, except volume is: 14 gallons (53L) and dimensions are 20" x 20" x 10" deep (508 x 508 x 254mm). Shipping wt. 74 lbs.…
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Portable Penetrometer
HumboldtLighter and smaller than H-1200 for field work, unit's micrometer adjusts for accurate settings as well as coarse adjustment for approximate settings. Only one additional 50g loading weight is included. Overall dim. 7" x 7" x 16" (178 x 178 x 406mm). Shipping wt. 8 lbs. (3.6kg)
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Sturdy Tripods featuring adjustable openings through the use of detachable rings.
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Penetration Needles for Wax
HumboldtWaxes with 250 or less penetration; ASTM D1321; Hardened stainless steel wax penetration needles with tapered point, blunt tip of truncated cone. Ferrule is approx. 3.2mm dia. Wt. 2.5g.
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Bituminous materials; ASTM D5; AASHTO T49, IP49; ASA Std., A37.1; Fed Spec. SS.R. 406C, Meth. 214.01, Standard hardened stainless steel needle. H-1280 and H-1300 feature 40-45mm exposed needle lengths; H-1290 features 50-55mm exposed needle length. Wt. 2.5g.
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Funnel Support
HumboldtThe Humboldt Funnel Support is designed to accept up to four funnels. The unit consists of a hard wood support with four slotted holes and a metal clamp with thumbscrew for support rod mounting.
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Demonstration Ball and Ring
HumboldtUsed to demonstrate the thermo-expansion of metals. In use, the brass ball will pass through the ring easily when both are at the same temperature, and won't pass through at all when heated. The ball and ring are securely mounted on a rod with a wooden handle.
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Flame Shield
HumboldtUsed to protect flame from drafts. The unit features a set of spring clips designed to fit 7/16" to 5/8" (11mm to 16mm) burner tubes. The cone is spot-welded and is 2" (51mm) in diameter at the bottom.
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Multi Clamp
HumboldtManufactured from heavy die-cast aluminum, this clamp is designed for clamping two pieces of apparatus into any of the three following positions: right angles, parallel, or vertically. The clamp will accommodate attachments up to 1/2"(13mm) in diameter.
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Motorized, Economy Sieve Shaker
HumboldtEconomy Sieve Shaker, which complies with ASTM C136 Standards, the Humboldt Motorized Sieve Shaker can be used with 3", 5" and 8" sieves. 1/4 HP motor handles up to (10) 8" sieves, (12) 5" sieves and (16) 3" full-height sieves; and, (18) half-height 8" sieves. 1/4 HP motor, 115V, 60Hz with 30…
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Swivel Clamp Holder
HumboldtFor attaching extension clamps to supports Aluminum construction Has swivel for rods up to 5/8” diameter
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Burner Gas Connector
HumboldtFlexible tube of rust-resistant steel covered with rubber and wrapped with braided cotton cloth. Slip-on ends for attachment to 9mm gas lines. 3 ft. long.
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Table Clamp
HumboldtThe Table Clamp is designed to support meter sticks and other round or square rods, either vertically or horizontally up to 1" (25mm) thick. The Vee's are milled at right angles and the clamp can be mounted on table edges up to 1-3/4" (45mm) thick. Each jaw can be adjusted separately. Heavy cast…