Vintage Four-Stroke Engine Cutaway Model – Educational Mechanical Model – Industrial Teaching - Biofiz - 1960





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Biofiz Original/official vintage four-stroke engine cutaway model – Educational Mechanical Model – Industrial Teaching, dating to 1960, in very good condition.
Description from the seller
An authentic four-stroke internal combustion engine cutaway model, originally created as an educational and technical teaching aid, designed to clearly demonstrate the internal working principles of a classic piston engine.
This mechanically accurate model exposes the key components of a four-stroke engine cycle, making it both an informative instructional object and a highly attractive piece of industrial display.
Description
This solid metal model features a sectioned cylinder head and crankcase, allowing direct visibility of:
piston and crank mechanism
intake and exhaust valves
valve springs and timing components
combustion chamber and cylinder walls
The model is mounted on a heavy base and can be manually operated to illustrate the mechanical motion of the engine cycle.
Condition
The model is in fair to good vintage condition, showing:
visible wear, paint loss, and surface oxidation
signs of long-term use typical for workshop or classroom equipment
no attempt at restoration, preserving its original, honest industrial character
Despite cosmetic wear, the model remains structurally complete and visually effective as a demonstration piece.
Historical & Collectible Value
Such engine cutaway models were widely used in:
technical schools
engineering faculties
vocational training centers
industrial exhibitions
Today, original examples are increasingly collected by:
industrial design enthusiasts
mechanical engineers and educators
collectors of scientific and technical instruments
interior designers seeking authentic industrial décor
Dimensions & Material
Material: cast metal and steel components
Era: mid–20th century (approximate)
Function: educational / display model
Please study the photographs carefully, as they form an integral part of the description and accurately reflect the condition of this item.
All items featured in our auctions, including this original four-stroke engine model, are sourced directly from our private collection at OldMoneyWatches. We are dedicated collectors with a passion for rare and significant technical and historical objects. Bid with complete confidence; you are purchasing from a trusted seller with top-rated reviews and a proven track record for authenticity, honesty, and careful shipping.
An authentic four-stroke internal combustion engine cutaway model, originally created as an educational and technical teaching aid, designed to clearly demonstrate the internal working principles of a classic piston engine.
This mechanically accurate model exposes the key components of a four-stroke engine cycle, making it both an informative instructional object and a highly attractive piece of industrial display.
Description
This solid metal model features a sectioned cylinder head and crankcase, allowing direct visibility of:
piston and crank mechanism
intake and exhaust valves
valve springs and timing components
combustion chamber and cylinder walls
The model is mounted on a heavy base and can be manually operated to illustrate the mechanical motion of the engine cycle.
Condition
The model is in fair to good vintage condition, showing:
visible wear, paint loss, and surface oxidation
signs of long-term use typical for workshop or classroom equipment
no attempt at restoration, preserving its original, honest industrial character
Despite cosmetic wear, the model remains structurally complete and visually effective as a demonstration piece.
Historical & Collectible Value
Such engine cutaway models were widely used in:
technical schools
engineering faculties
vocational training centers
industrial exhibitions
Today, original examples are increasingly collected by:
industrial design enthusiasts
mechanical engineers and educators
collectors of scientific and technical instruments
interior designers seeking authentic industrial décor
Dimensions & Material
Material: cast metal and steel components
Era: mid–20th century (approximate)
Function: educational / display model
Please study the photographs carefully, as they form an integral part of the description and accurately reflect the condition of this item.
All items featured in our auctions, including this original four-stroke engine model, are sourced directly from our private collection at OldMoneyWatches. We are dedicated collectors with a passion for rare and significant technical and historical objects. Bid with complete confidence; you are purchasing from a trusted seller with top-rated reviews and a proven track record for authenticity, honesty, and careful shipping.

