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HORIZON GLASS [3 records]
Record 1 - external organization data 2021-03-18
Record 1, English
Record 1, Subject field(s)
- Compartment – Nomenclature 4.0
- Museums and Heritage (General)
Record 1, Main entry term, English
- horizon glass shade
1, record 1, English, horizon%20glass%20shade
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
horizon glass shade : an item in the "Surveying and Navigational Tools and Equipment" class of the "Tools and Equipment for Science and Technology" category. 2, record 1, English, - horizon%20glass%20shade
Record 1, French
Record 1, Domaine(s)
- Tiroir – Nomenclature 4.0
- Muséologie et patrimoine (Généralités)
Record 1, Main entry term, French
- filtre du petit miroir
1, record 1, French, filtre%20du%20petit%20miroir
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
filtre du petit miroir : objet de la classe «Équipement de navigation» de la catégorie «Outillage et équipement pour les sciences et la technologie». 2, record 1, French, - filtre%20du%20petit%20miroir
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1999-05-10
Record 2, English
Record 2, Subject field(s)
- Surveying Instruments
Record 2, Main entry term, English
- optical square
1, record 2, English, optical%20square
correct, Great Britain
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A small hand instrument used by surveyors for laying off a right angle by means of two mirrors set at an angle of 45 degrees. 2, record 2, English, - optical%20square
Record number: 2, Textual support number: 1 CONT
The optical square... consists essentially of two mirrors placed at an angle of 45° to each other and contained in a flat cylindrical metal box... One of the mirrors, "I", is called the index glass and is wholly silvered, while the other mirror, "H’, is called the horizon glass and has its lower half silvered and its upper half plain. 3, record 2, English, - optical%20square
Record 2, Key term(s)
- right angle prism
Record 2, French
Record 2, Domaine(s)
- Instruments d'arpentage
Record 2, Main entry term, French
- équerre optique
1, record 2, French, %C3%A9querre%20optique
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- équerre à prisme 2, record 2, French, %C3%A9querre%20%C3%A0%20prisme
correct, feminine noun
- équerre à miroirs 3, record 2, French, %C3%A9querre%20%C3%A0%20miroirs
correct, feminine noun
- équerre à prismes 3, record 2, French, %C3%A9querre%20%C3%A0%20prismes
correct, feminine noun
- équerre à réflexion 3, record 2, French, %C3%A9querre%20%C3%A0%20r%C3%A9flexion
correct, feminine noun
- équerre à deux miroirs 4, record 2, French, %C3%A9querre%20%C3%A0%20deux%20miroirs
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
L'équerre à prismes, aussi appelée équerre optique, est formée d'un prisme pentagonal dont les faces réfléchissantes forment entre elles un angle de 45°. L'équerre optique double à deux prismes pentagonaux superposés, ce qui permet de placer un point dans un alignement donné. 3, record 2, French, - %C3%A9querre%20optique
Record number: 2, Textual support number: 2 CONT
L'équerre à miroirs, aussi appelée équerre à réflexion, est formée de deux miroirs, fixés à 45° l'un de l'autre, donnant après réflexion deux directions perpendiculaires. 3, record 2, French, - %C3%A9querre%20optique
Record number: 2, Textual support number: 3 CONT
Équerre à deux miroirs - Elle se compose de deux miroirs faisant entre eux un angle de 50 grades [...] 4, record 2, French, - %C3%A9querre%20optique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1976-06-19
Record 3, English
Record 3, Subject field(s)
- Water Transport
Record 3, Main entry term, English
- horizon glass 1, record 3, English, horizon%20glass
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 OBS
(sextant) 1, record 3, English, - horizon%20glass
Record 3, French
Record 3, Domaine(s)
- Transport par eau
Record 3, Main entry term, French
- petit miroir 1, record 3, French, petit%20miroir
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 OBS
cotter 503 30/5/4 navigation 1, record 3, French, - petit%20miroir
Record 3, Spanish
Record 3, Textual support, Spanish
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