56 PHOTOGRAPHIC FACTS AND FORMULAS 
Amer. 
Phot. B.W. Wat. Wynne Har. TD. 
Central Excelall ....... a tahayer eel sie % 1/12 350 120 Cc Ss 
Cramer Contrast ..........ce0- A 9 3 32 35 M VVQ 
Cramer Slow Iso ....... Eek taste 5 1% 130 73 K MQ 
Cramer Com. & Com. Iso ........ 1% Ye 130 13.) mee MQ 
Cramer Spectrum & Trichrome ... 2 1/3 90 60) LE MQ 
Cramer Anchor & med. Iso. ...... 2 1/3 90 60 G.H MQ 
EWamMer RAN OL XL! . 2).) 0) s)s)0s o\2jnles\e 1% 1/6 130 TS) ue Ss 
Cramer Inst. Iso & Iso. Port. .... 1 1/6 180 86 E MQ 
Cramer Crown. Post .........-- 1 1/6 180 86 E Ss 
Cramer Speed-o-krome .......... 1 Ej6 (180 86 E Ss 
Cramer FS peed. i)..') seo 0's 2 «20% Ne 1% 250 100 D Ss 
Criterion Process ...........-- Mea e! 4 3 32 35 M Q 
Criterion Ordinary ....... 5) areata’ 4 % 65 iy Ay = | Q 
Criterion Iso ordinary .......... 2 1/3 90 60) at M 
Criterion Extra rapid ........... 2 1/3 90 GO) MS 
Criterion Extra rapid Iso ........ 1% % 130 72 #G M 
Oriferion Roll film. ...... 2016... 1 1/6 (180 87 vs 
Mrsterion | Cine SLM | ies oid 'e01nen oe 1% uy 130 72 MQ 
Criterion Special Extra Rap. .... Lk f6) NESS 87 VS 
Criterion Portrait ........... ya 1 1/6: ‘2380 87 MS 
Criterion Hnelite ........++-+0-. % As/i2 350. t2e vs 
Eastman Process film ....... se 9 3 32 35 L MQ 
Eastman Cine Pos. film ........ A 9 3 32 35 MQ 
Eastman Rapid plate ........... 1% % 130 72 MS 
Eastman Extra rapid plate ...... 1 1/6 180 87 MS 
Eastman Spl. ultra rapid ....... : 1 % 180 87 MS 
ASEAN EEG) o's Lie n\el be nd aie ete lee 1 4% «180 87 MS 
Eastman Super-sensitive plate ... % 1/12 350 120 vs 
Eastman Par-speed Port. Film ... % \% 250 100: DB MS 
Eastman Cine neg. ord. ......... 1 1/6 180 87 8 
Eastman Cine neg. sup. speed .... % % 250 £100 vs 
Eastman Cine neg. pan. ....... eh ee i 130 72 MS 
Eastman Sup. Speed Port film .... % 1/12 350 120 B vs 
Eastman Commercial ............ 4 2/3 65 52 H M 
Eastman Commercial ortho ...... i iy 180 ST) va MQ 
Bam: Process (ec ok! Gok wlohe 5 1% 65 52 M Q 
Gem Universal Slow ............ a 1 32 35 M MQ 
Kem) WMIVEreaE oss esc is, op wie tere Bene 4 % 65 i | M 
PCIE MIS es9 Eh hs Ren i eS AEA 2 u% 90 60° Ss 
EHR SUTICON cis 55 aaeicien “A 8 1% % 130 STi ts Q 
Gem Ultra rap. studio .......... 1 1/6 180 87 et s 
Gem Noskrene & Sp. Rap. ...... ds Nfe 1/6 180 B71 ae Ss 
em Cet oar j,°.% is /ct eee cle ale 1 1/6 180 37 M 
“CHEER ET ES Fa a ES, ha 1 1/6 180 BT ce M 
Rarereeh SRGONN: FARTING 61s ba) GS) a gaes tain emis ee 1 % 180 87 Vs 
Gem portrait & Salon Iso ........ % %y 250 a s 
Roped oid label: 5-12 cst c\ninln sien teeie % 1/12 350 120 s 
Gem Salon XX & Iso ........... % 1/16.) 500." 43 vs 
end (Salon Mili!) 20). !s.2 ds e's Sele es % % 250 87 s 
Gevaert Ortho Process .......... 9 2 32 35 M M 
Gevaert Ordinary .............. 4 2/3 65 52.) MQ 
Gevaert Ortho antihalo ......... L % 180 87 MQ 
Gevaert Filtered ortho .......... 1% % 130 on ee MS 
Gevaert Spec. rapid ............ 1 LG) a BO 87° MQ 
Gevaert Orthochrome ........... a 1/6 180 BT >. a MQ 
Gevaert Special sensitive ........ % % 250 100 D Vs 
