Stanley Super Vac Chromium-Plated Steel Insulated Flask by Landers, Frary & Clark
Hollowware (Insulated Beverage Bottle / Vacuum Flask) · Landers, Frary & Clark (L.F.&C.) based in New Britain, Connecticut. Founded in 1862, they were one of the largest hardware and houseware manufacturers in the world. They produced the 'Stanley' brand vacuum bottles after acquiring the rights to William Stanley Jr.'s invention.
Pattern: Stanley Super Vac 'It Will Not Break' line; industrial utilitarian design introduced in the early 20th century.
Type
Hollowware (Insulated Beverage Bottle / Vacuum Flask)
Maker
Landers, Frary & Clark (L.F.&C.) based in New Britain, Connecticut. Founded in 1862, they were one of the largest hardware and houseware manufacturers in the world. They produced the 'Stanley' brand vacuum bottles after acquiring the rights to William Stanley Jr.'s invention.
Material
Chromium-plated steel (exterior). This is not silver; the 'silver' appearance is a chrome finish over a ferritic base metal. The interior features an all-steel vacuum chamber. No precious metal content is present.
Dimensions
Standard 1-quart size variant; approximately 13-14 inches in height, 3.5 inches in diameter. Weight is significant (approx. 2.5-3 lbs) due to the heavy double-wall steel construction.
Description
An iconic piece of American industrial history, this Stanley Super Vac bottle represents the transition from fragile glass-lined domestic items to rugged, all-steel outdoor gear. While it mimics the luster of silver through its chromium plating, its value lies in its structural integrity. The base displays the classic 'It Will Not Break' slogan, a marketing triumph of the era that appealed to workers, soldiers, and travelers.
Key Features
All-steel vacuum construction; instructional base stampings; 'Super Vac' branding; high-lustre chrome finish; absence of sterling hallmarks.
Material & Composition
Chromium-plated steel (exterior). This is not silver; the 'silver' appearance is a chrome finish over a ferritic base metal. The interior features an all-steel vacuum chamber. No precious metal content is present.
Finish & Decoration
High-polish mirror Chrome finish. The decoration is purely industrial, consisting of die-stamped instructional text on the base and manufacturer branding. The aesthetic is characteristic of early 20th-century functionalism.
Hallmarks & Stamps
Stamping on base: 'STANLEY SUPER VAC "It will not break"' 'LANDERS, FRARY & CLARK, NEW BRITAIN, CONN.' 'MADE IN U.S.A.' 'STANLEY INSULATING DIV'. Includes detailed temperature preparation and cleaning instructions.
Construction Details
Machine-made. Features a double-wall steel vacuum-sealed construction, welded and seamed. It was revolutionary for forgoing the fragile glass liners found in contemporary Thermos bottles.
Functional Features
Vacuum insulation for hot/cold retention; screw-on cap (often doubles as a cup); cork stopper (indicated by base instructions: 'WASH CORK IN BOILING WATER'). Features 'Super Vac' technology for durability.
Handle & Grip Details
Generally a smooth cylindrical body; some models featured a folding metal handle pinned to the side, though this view shows the base of a standard flask.
Craftsmanship Details
High-quality industrial manufacturing. The deep, clear die-stamping on the base reflects a high standard for commercial production in the mid-century period.
Authentication Indicators
The base markings are definitive for Landers, Frary & Clark. The lack of 'Sterling' or '925' marks, combined with the presence of rust, confirms that this is plated steel and not a precious metal.
Origin & Manufacturing
United States of America; New Britain, Connecticut. Manufactured at the Landers, Frary & Clark factory complex, once known as the 'Hardware Capital of the World'.
Era & Period
Early to Mid-Twentieth Century (c. 1920-1950). Reflects the Industrial Age's emphasis on durability and mass-produced household utility.
Age Estimate
Circa 1930-1945. The specific labeling of 'Stanley Insulating Div' under L.F.&C. aligns with this peak era of production before the company was sold to General Electric in 1965.
Cultural Significance
Represents the 'Lunchbox' culture of 20th-century American labor; a symbol of the durability of American-made hardware and the democratization of luxury finishes like chrome for the working class.
Condition Notes
Fair to Good. Visible abrasions, light scratching, and circular wear on the base. There are small spots of surface oxidation (rust) visible near the central stamp, indicating the plating has been compromised and the steel base is reacting to moisture.
Value Estimate
$25 - $60 USD. Values depend on the presence of the original cap and cork. It is a 'common' antique/vintage collectible rather than a high-value precious metal item.
Care & Maintenance
Clean with a soft damp cloth. Avoid abrasive cleaners which will scratch the chrome. If used for liquids, hand wash only; do not submerge for long periods as water can enter the seams of older bottles.
Similar Pieces
Thermos brand (glass-lined, lighter weight), contemporary stainless steel Stanley bottles (brushed finish, modern logo), or silver-plated carafe sets (which would have copper or brass bases and different hallmarks).
Interesting Facts
The Stanley vacuum bottle was famously used by pilots in WWII and was supposedly 'indestructible,' often surviving falls from moving vehicles or high altitudes and still functioning.