D O C U M E N T 4 1 7 O N G E N E R A L R E L A T I V I T Y 6 6 9 (C). Eq. (A), together with (B) and (C), produces Einstein’s eq. (16). [23]See a similar comment in the published version, Einstein 1923e (Doc. 425, p. 38), and in Doc. 430. [24]Should probably read “Gleichung (16).” [25]For attempts to study spherically symmetric solutions in this context, see Einstein’s draft cal- culations in Doc. 418, pp. [49v], [45], [44]. [26]According to Doc. 379, Einstein wrote a full version of the paper on 9 January and arrived in Singapore the following day. gασ σ 26 7 -----iα - =