Standard Wave-Lengths. 



481 



Standard Wave-Lengths in Ordinary Air at 20° C. and 

 760 mm. Pressure. 



Weight. 



Wave-length. 



Weight 



Wave-length. \ 



Weight. 



Wave-length. 





3094-735 



o 



3652-689 



3 



4062-602 



1 



3095-003 



1 



3658-679 



4 



4073-915 



1 



3109-165 



2 



3667-398 i 



3 



4083-752 d 





3115-158 



2 



3683-192 , 



3 



4083-925 



1 



3121-259 



2 



3684-249 



3 



4088-711 



2 



3129-861 



2 



3695-189 



3 



4103-096 



1 



3137-437 



2 



3707-176 



5 



4107-636 



2 



3140-859 



2 



3716-573 



5 



4114-593 



s 



3153-865 



2 



3732-,539 



3 



4121-474 



S 



3167-290 



2 



3747-094 <^ 



3 



4121-962 



s 



3176-095 



2 



3754-652 fZ 



5 



4157-936 



3 



3188-157 



2 



3756-204 



6 



4185-054 



2 



3200 024 



2 



3770-122 



6 



4199-254 



3 



3218-376 



3 



3780-843 



S 



4215-655 d 



1 



3224-366 



3 



3781-328 



S 



4222-374 



2 



3232-403 



3 



3783-675 



4 



4254-490 



2 



3246-127 



3 



3794021 



5 



4267-941 d 



1 



3260-390 



3 



3804-151 



5 



4293-245 d G 



1 



3267-841 



3 



3805-493 



4 



4308-023 d 



1 



3287-795 



3 



3821-316 



5 



4318-828 



2 



3292-172 



3 



3823-648 



5 



4325-982 t 



2 



3295-951 



3 



3836-230 



o 



4343-380 



! 2 



3303-652 d 



3 



3843-399 



5 



4352-910 



i 2 



3308-928 d 



2 



3864-449 



4 



4359-772 1 



2 



3318-162 



6 



3875-235 



5 



4369-946 



1 



3331-711 



5 



3883-579 



S 



4376-102 



2 



3348-001 d 



5 



3883-782 



6 



4391-152 «^ 



2 



3351-864 



5 



3897-605 



6 



4407-848 d 



1 S 



3356-214 



5 



3916-880 



5 



4447-899 



' 2 



3377-656 d 



5 



3924-672 



4 



4494-725 



' S 



3389-879 



5 



3925-349 



S 



4497-050 



' s 



3406-566 



5 



3925-796 



3 



4499062 



2 



3406-941 



5 



3926-128 d 



3 



4499-312 



2 



3425-711 



4 



3937-472 



S 



4501-439 



2 



3455-382 



S 



3941-038 



S 



4508-449 



2 



3464-608 



S 



3942-555 d 



2 



4563-937 



3 



3478-001 



S 



3950-103 



4 



4571-274 



2 



3486044 



S 



3950-503 



4 



4572-157 



1 



3491-469 



7 



3954001 



4 



4578-723 



! 1 



3500-709 



4 



3960-429 



4 



4588-386 



s 



3510-982 



7 



3971-481 



4 



4590-124 



s 



3518-485 



6 



3977-891 



4 



4602-173 



s 



3540-266 



3 



3981-907 



3 



^QUAdldovt 



1 



3545-332 



3 



3984067 d 



2 



46-29 -504 



1 



3.550-011 



3 



3986-893 



o 



4637-675 



1 



3564-683 



3 



3987-207 t 



3 



4638-211 



1 



3583-484 



3 



4003-907 



5 



4643-641 



1 



3597-190 



4 



4005-308 7 lines. 



3 



4668-302 d 



2 



3612-213 



2 



4016-569 



3 



4679-020 



2 



3623-329 



2 



4029-791 



3 



4683-733 



2 



3623-602 <? 



3 



4048-878 d 



S 



4686-395 



1 " 



3640-533 



4 



4055-693 



s 



4690-323 



