On trouve sur le site plusieurs variantes de cet Indiscret de Jousset. Comme les autres, il ne porte aucune marque de fabricant et ne comporte pas davantage de numéro.

On peut toutefois l'attribuer à Jousset par quelques détails dont le plus significatif est la forme trilobée de la patte d'appui du ressort de maintien des abattants, ainsi que celle de la poignée.

Le socle du bloc objectif/obturateur est en bois, ce qui laisse supposer que sa fabrication est antérieure à un autre modèle dont la pièce de bois est renforcée par une garniture métallique qui donne à l'ensemble davantage de rigidité.

Il est équipé de l'obturateur The Newest de Gustave Grégoire, dont on sait que le brevet a été déposé en janvier 1911 mais que l'on trouve dès 1909 chez A. J. Pipon.

Il est équipé d'un viseur externe que l'on retrouve sur tous les modèles, placé au centre de la platine ou sur un côté. Grâce à ce viseur l'appareil peut donc être utilisé de deux façons : 

- "sportive", composition de l'image au viseur et mise au point rapide au moyen de l'index fixé sur la coulisse de l'objectif et reporté sur une petite plaque de laiton (2, 3, 5, 8 m et infini) ;

- "traditionnelle", composition et mise au point sur le dépoli amovible avant introduction de la plaque à exposer.

Quoi qu'il en soit, cette petite chambre est d'une belle finition, avec des matériaux de qualité qui ont parfaitement supporté l'épreuve du temps, sans doute, certes, chez un amateur soigneux.

Notes sur l'obturateur The Newest : en l'absence de notice technique dans la littérature d'époque, les ouvertures indiquées dans la fiche technique sont indicatives. Si on considère que la focale habituelle d'une chambre 9 x 12 est de 135 mm, les repères 1, 2, 3 gravés sur l'obturateur pourraient correspondre aux diaphragmes 11, 16, 22. En-deçà et au-delà de ces trois repères, le curseur peut être placé à pleine ouverture (F/8) et à ouverture minimale (F/45). On aurait ainsi une échelle complète de 8, 11, 16, 22, 45.

Les diamètres des diaphragmes ont été mesurés au mieux et arrondis au plus près. Si on considère que la focale est de 135 mm, pour un diamètre de 18 mm on divise 135 par 18 = 7,5 (arrondi à 8), soit  F/8. Les chiffres relevés correspondent aux mesures effectuées sur une chambre 9 x 12 Agfa Isolar de focale 135 mm.

La vitesse unique d'obturation mesurée est irrégulière, mais tourne principalement autour du 1/60.

Historical information based on the bibliographical and genealogical research of Étienne Gérard – (His publications are distributed by the Club Niépce Lumière)

On September 12, 1838, the Hospice de la Charité in Lyon received an abandoned child by the name of Jousset. He was named Pierre Antoine. (1838, a pivotal year for photography...) Married to Marie Louise Lasser (c.1845-1913), he had a son in 1868, Gustave Pierre (1868-1956). He was a tanner in Paris, perhaps located near the Bièvres... A second son, Émile Albert (1870-?), became an architect and built the Dumont factory (the cabinetmaker for Bellieni) on Rue Bobillot in 1899, and another son, Lucien (1873-1905), became an optician. (The last two children, Alfred (1874-1920) and Célestine (1877-?), left no traces.) Pierre Antoine Jousset passed away in Champigny-sur-Marne on August 25, 1900, at his residence at 18 Avenue Bel-Air, where he was employed by the City of Paris.

Gustave Pierre Jousset was born on July 23, 1868, at 25 Rue Pernet in the 15th arrondissement of Paris, at his parents' home. In 1899, he was located at 20 Place d'Italie as a sales representative, along with his brother Émile. Émile then obtained the contract to build the new factory for Auguste Dumont (1863-1909) at 20 and 22 Rue Bobillot. It is possible that this contract brought Gustave and Auguste together. In 1901, Gustave lived at 30 Rue Bobillot, just a few houses away from the Dumont factory, and in 1902, he became the authorized representative for A. Dumont & Co.
On January 13, 1902, Gustave married Marthe Brochot, originally from Villiers-sur-Thonon, with Auguste Dumont as his witness.
Émile Robert Georges Jousset was born in Yonne on October 9, 1902, and would become a doctor. André Louis Jousset was born on May 13, 1904, and would work with his father.

After his marriage, Gustave, who was an authorized representative for his friend Auguste Dumont, became a sales agent. What were his connections with the manufacturer Gaëtan Mattioli (1855-1933)?
Did Mattioli manufacture shutters for Dumont? In any case, the similarities between the 'Gamine' range by Mattioli and the 'Indiscret Stéréo' range by Dumont demonstrate a relationship between the two companies, and it is likely that Gustave Jousset was the intermediary.
In 1907, Mattioli, aged 52, wished to find a successor. On January 1, 1908, he sold his entire business located at 7 Rue Broca to Gustave Jousset, mentoring him during the first year. Thus, G. Mattioli's shutters became G. Jousset's shutters. On May 17, 1909, while on vacation in Montgeron, Auguste Dumont passed away suddenly at the age of 46. Gustave Jousset then resumed the production of the Indiscrets folding camera range. In 1910, the buildings of the former Dumont establishment were taken over by the 'Fouue' partnership. In the early 1930s, the Chotard Company would move in. Until the eve of World War I, Gustave Jousset continued the production initiated by Mattioli and Dumont and expanded his range with the production of 'Guerry' type shutters.
After World War I, Gustave Jousset resumed his activities. In 1922, he partnered with the Hébert Company to create the Jousset & Hébert Company. The partnership was dissolved in 1924, and Jousset specialized in manufacturing folding cameras (6.5 x 9 and 9 x 12), metal plate and Film-Pack holders, metal tripods, and developing tongs, including the 'La Pince Idéale' patented by a certain Vincent Jousset in 1895. He primarily produced for resellers and left a significant portion of his production anonymous.
In 1926, his son André began working with him. Around 1933, the company's headquarters moved to 93 Rue de Gentilly, but production remained at 7 Rue Broca.

After World War II, the company was revived at 93 Rue de Gentilly under the name "Anciens Établissements Jousset, Société Industrielle de Photographie et d’Optique." Gustave Jousset seems to have passed the company on to his children, particularly his second son André.

The Kinax brand was registered on October 29, 1945. The new company filed four patents between 1945 and 1950 related to their flagship camera, the Kinax.

The 1945 patent was filed under the name of Anciens Établissements Jousset, the 1948 patent under the name of Société Industrielle de Photographie et d’Optique (IPO), and the 1949 and 1950 patents were filed under the name of Société Kinax S.A.