Humboldt Products

These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

Wooden handle and horsehair bristle. Bristle length is 2-3/4"x 1-1/8"x 3/4" (70mm x 29mm x 19mm), and the overall dimension is 10-1/2" (267mm).

These 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 with...

Inverted slip-in cover with beaded edge for tight sealing, can be handled with crucible tongs. Inside dia at top 2-1/4" x 3/4" deep (57mm x 19mm). Drawn aluminum construction.

Smooth Pipe Stem Triangles protect glassware on hotplates and over burner flames

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 two...

The 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.

Designed 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.

Used to accurately and quickly count pendulum swings, bacteria colonies, drops from pipettes, alpha particles, etc. Tallies up to 9999 by one, quickly resets to zero. Mounted in round 2" (51mm) diameter chrome plated case with finger ring.

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...

Penetration Needle, ASTM D5329 Joint sealant for asphalt & concrete pavements; ASTM D5329, Resilience ball penetration tool. Total wt. 27.5g.

The Humboldt Ring Burner features an improved design that puts the guide pins on the inside circumference so that the burner remains equidistantly around the still. A Fletcher attachment regulates the gas and air. The overall shank length is 11" (279mm), ID is 4-3/4".

This handy tool is used to sharpen borers from 3/16" to 15/16" (5mm to 24mm). The solid brass cone has a hinged steel blade in a slot; mounted in a hardwood handle.

The Tirril Burner with Pilot Flame (ASTM D3713) supports the following standards: ASTM D3713 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. Provides separate control of both flame...

With corrugated tips and spot-welded joint. Overall length is 5" (127mm). Available in Nickel-plated steel or Stainless Steel.

Used 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.

This highly stable jack can be adjusted to any height between 2-1/2" to 10" (64mm to 254mm). The jack will accept loads up to 10 lbs. (45.4 kg). The unit is constructed of aluminum top and bottom plates with a baked-enamel finish and plated steel cross members. Height adjustments are achieved by...

The Humboldt Mfg. Co test tube clamp is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures durability and long lasting usage.

Wire Gauze with ceramic center and turned edges. Wire Gauze with Ceramic Center provides a stable platform for heating glassware on a laboratory burner. The ceramic center distributes heat evenly across the base of the vessel, preventing thermal shock and glass breakage. This wire gauze is an...

Bowl 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).

Humboldt Bunsen Burners are high-quality, American-made burners with nickel-plated, die-cast zinc bases. Burners feature aluminum mixing tubes and serrated gas inlet connections. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for Artificial and Natural Burners. 11 inch...

Designed to produce a broad, flat, fan-shaped flame. Ideally suited for use in bending glass tubing and other similar applications. Made of brass.

With a full 360° jaw rotation, this fully adjustable clamp is ideal for attaching to rods up to 3/4" (19mm) in diameter. The clamp has an aluminum muff with steel thumbscrew and phosphor bronze jaws. The maximum distance from the jaw to the muff is 4-3/8" (111mm) and the overall length is 5-1/2"...

When an extremely hot flame is required, these Meker-type burners form uniform blue cones of intese heat with no backflashes. Onepiece, nickel-plated venturi tube. Die cast, zinc alloy, nickel plated octagonal base. *Note: CFHs and BTU Outputs are figured on: 5 inch Water Column Pressures for...