A. J. Lohwater's Russian-English Dictionary of the Mathematical Sciences

shch (lush cherry)	shch	shch	sc	stsch
Ъ   ъ 3	(silent)	?	?	?	?
Ы   ы	i or e (it, we)	y	y	y	y
Ь   ь	(silent)	?	?	?	j
(Ђ   ђ) 4	ye (yet)
Э   э 5	e (ten)	e	e	e	e
Ю   ю	yu (you)	yu	yu	yu	ju
Я   я	ya (yard)	ya	ya	ya	ja
(?   ?) 6	f (fat)
(V   v) 7	ee (meet)

1.	Usually written as е although the pronunciation of ё is retained. ^
2.	Replaced by и in the post-Revolution orthography. ^
3.	Used only as a separation mark after certain consonants; sometimes replaced by the symbols ? or ? in the middle of words, and dropped altogether when used at the end of a word in the old orthography. ^
4.	Replaced by е in the post-Revolution orthography.