ES12378A1 - Improvements made to carbon cylinder microphones. - Google Patents

Improvements made to carbon cylinder microphones.

Info

Publication number
ES12378A1
ES12378A1 ES12378A ES12378A ES12378A1 ES 12378 A1 ES12378 A1 ES 12378A1 ES 12378 A ES12378 A ES 12378A ES 12378 A ES12378 A ES 12378A ES 12378 A1 ES12378 A1 ES 12378A1
Authority
ES
Spain
Prior art keywords
microphones
improvements made
carbon cylinder
carbon
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES12378A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES12378A priority Critical patent/ES12378A1/en
Publication of ES12378A1 publication Critical patent/ES12378A1/en
Expired legal-status Critical Current

Links

ES12378A 1891-08-01 1891-08-01 Improvements made to carbon cylinder microphones. Expired ES12378A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES12378A ES12378A1 (en) 1891-08-01 1891-08-01 Improvements made to carbon cylinder microphones.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES12378A ES12378A1 (en) 1891-08-01 1891-08-01 Improvements made to carbon cylinder microphones.

Publications (1)

Publication Number Publication Date
ES12378A1 true ES12378A1 (en) 1891-09-01

Family

ID=64158086

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12378A Expired ES12378A1 (en) 1891-08-01 1891-08-01 Improvements made to carbon cylinder microphones.

Country Status (1)

Country Link
ES (1) ES12378A1 (en)

Similar Documents

Publication Publication Date Title
ES12378A1 (en) Improvements made to carbon cylinder microphones.
ES12252A1 (en) Rifle improvements.
CH3451A (en) Mécanisme de chronographe
FI391A (en) Anordningar i cigarrvickelmaskiner
CH4502A (en) Improved bike
CH3341A (en) Improved Grudeherd
CH3636A (en) Improved Göpel
CH3871A (en) Improved Brabaut double plow
ES12451A1 (en) Improvements made to the carburettors.
FI383A (en) Förbättrade well
CH3158A (en) Twin turbine
FI393A (en) Förbättringar i stäffogningsmaskiner
CH4013A (en) Swabian beetle trap
ES12523A1 (en) Improvements made to station annunciators.
ES12707A1 (en) The improvements made to the projectiles.
CH4023A (en) Still
CH3305A (en) Cigar-tip
CH3331A (en) Telautograph
CH3980A (en) Injector-measurer
FI380A (en) Tvålsurrogat
FI389A (en) Mjölkningsapparat
FI395A (en) Foderkakor
FI397A (en) Tvålpreparat
CH3208A (en) Commode-bidet
CH4484A (en) Type printing telegraph