Mètre de maçon ancien pliant en duralumin et laiton de la marque LJM - Old folding masonry meter in duralumin and brass from the brand LJM
19.00 €
Référence : 24-00060
Mètre ancien duralumin
Dimensions :Longueur plié : 20 cm
Longueur déplié : 100 cm soit 1 m
Très bon état.
Mètre de maçon pliant en duralumin et laiton de la marque LJM (Justin Ledru Manufacture) qui produisait depuis 1935 des mètres et double-mètres à Bagnolet en France.
Ce mètre a été fabriqué dans les années 1940, les formes des chiffres tels que les 0 (zéro), 4 (quatre), 8 (huit) sont plus modernes aujourd'hui.
Le duralium appelé duralumin est un alliage composé de 95 % d'aluminium, 4 % de cuivre, 0,5 % de magnésium et de 0,5 % de manganèse et a été découvert en 1908. Sa légèreté et sa résistance à la traction font qu'il est utilisé surtout dans l'industrie aéronautique depuis 1920.
Ce mètre permet de mesurer de 0 à 1 mètre. Il est composé de 5 parties graduées de 20 cm chacune qui ont été assemblées avec des parties en laiton.
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Ancient Duralumin Meter
Folding mason's ruler in duralumin and brass from the brand LJM (Justin Ledru Manufacture) which had been producing meters and double-meters in Bagnolet in France since 1935.
This meter was made in the 1940s, the shapes of the numbers such as 0 (zero), 4 (four), 8 (eight) are more modern today.
Duralium called duralumin is an alloy composed of 95% aluminum, 4% copper, 0.5% magnesium and 0.5% manganese and was discovered in 1908. Its lightness and tensile strength have meant that it has been used mainly in the aeronautical industry since 1920.
This meter allows you to measure from 0 to 1 meter. It is composed of 5 graduated parts of 20 cm each that have been assembled with brass parts.
Size :
Folded length : 20 cm
Unfolded length : 100 cm equal to 1 m
Very good condition.
Folding mason's ruler in duralumin and brass from the brand LJM (Justin Ledru Manufacture) which had been producing meters and double-meters in Bagnolet in France since 1935.
This meter was made in the 1940s, the shapes of the numbers such as 0 (zero), 4 (four), 8 (eight) are more modern today.
Duralium called duralumin is an alloy composed of 95% aluminum, 4% copper, 0.5% magnesium and 0.5% manganese and was discovered in 1908. Its lightness and tensile strength have meant that it has been used mainly in the aeronautical industry since 1920.
This meter allows you to measure from 0 to 1 meter. It is composed of 5 graduated parts of 20 cm each that have been assembled with brass parts.
Size :
Folded length : 20 cm
Unfolded length : 100 cm equal to 1 m
Very good condition.