522 



Photography. Eye and Vision. 



NIL .14273 



54 2S6. 1 : 4. 



54274. 1:6. 



54 290. 1 : 5. 



54.273. Stand Camera, cf. Fig. 54,274, for plates 9x 12 cm, polished mahogany body, calico 

 bellows with leather edges, conical and rotary; objective board having height and lateral 

 adjustment; with plummet, spirit level, 'three double dark slides; with Extra Rapid 

 Aplanat, iris diaphragm, Objective Shutter for time and instantaneous exposures, and 

 tripod stand 



54.274. --idem, Figure, for plates 13 X 18 cm 



54.275. --idem, cf. Fig. 54,274, for plates 18 X 24 cm 



54.276. --idem, cf. Fig. 54,274, for plates 24 X 30 cm 



54.277. Bags of gray sail-cloth, can' also be carried as a knapsack. 



For Apparatus of plate-size 9x12 13 x 18 18 X 24 24 x 30 



0. 10. 0. 10. 0. 12. 0. 18. 



Photographic Outfits, containing everything necessary for finishing photographs: 



List No." 54,278 54,279 54,280 54,281 



For Cameras of plate-size 9 X 12 13 x 18 18 X 24 24 x 30 cm 



0.9.0 0.15.0 1.10.0 2.6.0 



The outfit consists of one dark room lamp, 12 plates, 1 packet Celloidin paper, 25 mounts, deve- 

 loper, fixing bath, toning and fixing bath, papier mache dish, enamel dish, glass dish, glass measure, 

 printing frame, mountant, brush, and instructions. 



Supplementary Outfits for Photography: 



List No. 54,282 54,283 54,284 54,285 



For Cameras of plate-size 9x12 13x18 18x24 24x30 cm 



0.10.0 0.12.0 0.14.0 0.16.0 



Glass funnel, dropping bottle, plate grips for small plates, plate lifter, small brush, drying clips, 

 draining rack, trimming glass, trimming springs, glossing slab, squeegee, flaslilight bag, flashlight 

 powder, filter paper. 



54,286. Magnesium Lamp with clockwork, Figure 



The clockwork runs 6 8 minutes and can be released and stopped by a lever. 



54.287. S^pare Magnesium Tape 



54.288. Tripod Stand for Apparatus Nos. 54,264 54,270, of ash, brass bound 



54.289. Tubular Stand of brass, in five parts; length folded up 36 centimetres 



For Dark-room Fittings see pp. 79 82. 



The Eye and Phenomena of Vision. 



54.290. Model of the Eye, after Bock, Figure, 80 nun diameter 



54.291. - - larger, 130 mm diameter 



54.292. Ophthalmotrope after Knapp, Figure, for demonstrating the motions of the eye 

 and the action of the single musi-le* concerned therein 



. s. d. 



4. 0.0 

 4. .12. d 

 6. 4.0 

 9. 10. 



1. 4.0 



0. 1.6 



1. 0. 

 0. 14. 



0.10. 

 0. 12. 



J. 8.0 



I'l. 1472, 



,W47. 1477. 



