There's no #Syriac grammar textbook on the market that can prepare you to read the Syro-Malabar scripts, which makes it somewhat ironic that this particular #manuscript is a Syriac grammar (ܟܬܒܐ ܕܓܪܡܛܝܩܝ ܕܠܫܢܐ ܣܘܪܝܝܐ).
For anyone interested, this is the 17th century grammar of Isḥāq Šadrúyā (Isaac Sciadrensis), Maronite Archbishop of Tripoli:
https://haf.vhmml.org/work/364900784162