This are the source i have for the information above.
http://www.val-navtika.net/val-134/zgodovina/boka_kotorska-vojaska_zgodovina/Avstrijci so sploh vso Boko Kotorsko od 1850 do 1860 pod vodstvom admirala Lazarja Mamule temeljito utrdili in oborožili. Zgradili ali obnovili so osem trdnjav, pripeljali na desetine novih topov in na stotine min. Sam vhod v Boko sta varovali dve trdnjavi s po 40 topovi in minske zapore, ki so bile predvidene tudi za važna preliva Kumbor in Verige. Prvo svetovno vojno je v Boki pričakalo 3.500 vojakov posadke, 218 trdnjavskih topov s kalibri od 37 do 305 mm, 99 mitraljezov, 46 močnih žarometov in devet torpednih cevi.
Google translation of last paragraph:
"Austrians are all Boko Kotorsko from 1850 to 1860 under the leadership of Admiral LÁZÁR Mamula thoroughly consolidate and armed. Built or renovated the eight fortresses, leading to dozens of new guns and hundreds of minutes. Sam Boko the entrance to the fortress to protect two of 40 guns and mine barrages, which were also provided for the important Channel Kumbor and Chains. First World War in the hips pričakalo 3500 the crew of soldiers, 218 cannons trdnjavskih with gauges from 37 to 305 mm, 99 mitraljezov, 46 strong headlamps and nine torpedo tubes."
and below still operational at time of WW2 with Italian occupation:
http://www.sassaia.it/tenenteboffa.html refers "con stazione lanciasiluri a Kobila" about a land based Torpedo station at Kobila in Kotor. It is from an italian soldier there in occupation period.