Aeby / Landry / Bellenot Cylindre 18''' Lépine Type 2

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18”’ | Hand Wind | Cylinder | Small Seconds |

Remarks:

The company Aeby & Landry was founded in 1873. After the death of the founder Aeby, the company was split into two different companies by his sons: Léo Aeby & Co in 1888 and Aeby, Bellenot & Co in 1889. Both claimed to be the legal successors of Aeby & Landry.
It is not clear, which of these three companies actually produced the movements shown here! The registration of the logo with a cock and the words TRADE MARK was transferred from Aeby & Landry to Aeby & Co in 1888 and then from Aeby & Co to Aeby & Bellenot in 1889.
Several different similar types of this movement are known. The type number given here is not an official caliber designation but is used here to distinguish them:
- Cylindre 16”’ Type 1: Cylinder escapement, barrel bridge not separated, no seconds
- Cylindre 18”’ Lépine Type 2: Cylinder escapement, barrel bridge separated, small seconds, open face movement (Lépine)
- Ancre 19”’ Savonnette Type 3: Swiss lever escapement, barrel bridge separated, small seconds, hunter movement (Savonnette)
- Ancre 19”’ Savonnette Type 4: Swiss lever escapement, barrel bridge not separated, small seconds, hunter movement (Savonnette)
- Ancre 19”’ Savonnette Type 5: Swiss lever escapement, barrel bridge not separated, small seconds, hunter movement (Savonnette)

Listing ID: 20524
Manufacturer / Brand: Aeby, Landry, Bellenot
Caliber: Cylindre 18''' Lépine Type 2
Size in French Lignes: 18'''
Size range mm largest diameter: > 40 mm
Shape: Round
Winding: Manual (Crown)
Hands Setting: Crown with pin/pusher
Seconds Hand: None
Escapement: Cylinder
Date, Day, Month...: None
Jewels: 10
Setting Lever Screw/Pin Position: Center
Balance Position: Bottom (120 - 240°)
Shock Protection: None
Beats per hour: 18,000
Balance Type: Brass
Power Reserve: Unknown
Production Period: Unknown, probably 1880+
Country: Switzerland
Identification: Design of dial and bridge sides typical for Aeby, Landry, Bellenot. Some movements marked with their logo, a cock and TRADE MARK. This logo was registered by Aeby & Landry in 1881.