Witekind, Hermann: Conformatio Horologiorvm Sciotericorvm In Svperficiebvs Planis Vtcvnqve sitis, iacentibus, erectis, reclineatis, inclinatis, & quocunq[ue] spectantibus, compendiaria & facilis: Cum Quadrantis Horologici & Geometrici conformatione & vsibvs, ac Tabulis Sinuum Hermanni VVitekindi (Heidelberg, 1576) [VD16 W 2918]

taSrquintarrjarmina,necnon Peptima & odfnua ve-
fpemnain noftroproucniantclimate, genueris harii
tndiccs prolongando vltra ccnrrum ein partem oppo
(iramjineasquarta:&:quint£vefpertin£>itemq;iepti
mar&o-lauajmatutina?.

Potcs_&co^£endi£mjeqjujquum inhisturfiino-
mnibusalijsdirecHsTlcIincandis^clicicndo tantum ex
altcratrius quadrantis Aequatoris partitione fpatia
horaria: eo quodhis alterafcx prorfus arqucnturj li-
nea horx prima; taritum diftante a meridiana quan-
tumvndecimse,&abeademtantum diftante linea fc-
cunda: quantumdegima;,atq;itadeinccps.

Horarum femiffes defignaturus difccrne iz illas x-
quatoris particulasin binasxquales: vfurpans dcinde
regulam &Contingentia;lincam ficut in dcfignatio-
ncipfarum horarum. Idq; mcmincris faciendum dc
dimidiatis horis non folum hic, fed in omnium etiam
aliorum fciotcricoru rlguratione,StiIus; cejin^jMnfi-
xusimmineatlinexcctantoangulOjquantuscft c c f,
in ncutram partcm abilla dcclinans,id quod norma
autperpcndiculumprsftabit. Ad infcrendum folo
fuo fchcmain charta iam pcrfc£hirn, accurate dirige-
re &collocare primum oportet lineam meridianam,
adhibitoCompaflb probato,& deinde lineas horari-
asinducere & produccrequam late folum patet, fcr-
uata duntaxat inter illas angulorum quantitate ad.
ccntrum e : praparatorijs lineis hk & in alijs omif-
fis.

C 2 MEXJ-