J. Theobald and Company's extra special illustrated catalogue of magic lanterns, slides and apparatus (circa 1900)

252 PHOTO-MICROGRAPHS, OR ENLARGED PHOTOGRAPHS OF MIGROSCOPIO SOBJBOTS, frm Negat'nia by DR. MADDOX, whote production! in thii brand of Photofrapki kav$ long c*mmundtd u ^rtal admir^ioa. i'hese Slides furnish a most satisfactory method to rt-^roouce in a popular manner the wonder; oi the Microscope 5 they require no additional apparatus to the Lancein, and show the most delicate markings—which can only be seen by employing careful manipulation with high powers and expensive instruments, under careful illumination—such as cannot be rendered by Microscopes attached to the Lantern, from insufficient light, and consequent loss in definition. As examples of the advantages, take— No. 123 Starch Granules of Tous-lcs-Mois, already magnified on the slide 200 diameters, will b< enlarged to 4800 diameters when made to fill a disc of 6 fec-t diameter ; or No. 140—A splendidly marked Diatom, Swirella lata, on the slide is magnified 377 diameters, and on the same sized screen as above, the original object will reach the maanltudc 0/ 8900 diameters j or No, 133 —A group of Diatomacese, IstJimia enervis, which is enlarged to 30 diameters on the slHe, and on a 6 foot disc the natural size w’ll be raised to 220 diameters; NEW SERIES, SPECIALLY TAKEN FOR THE uANTERR (.REGiSTEREU; 115 Teak wood—tran&versc section 116 Briar root do. do, 117 Oak root do. do. 1x8 Australian Pepper do. do. 119 White Thorn do. do. 120 Stellate cells, section of pelicle of white Water Lily {Nymfhoea alba') 121 Young leaf of Bog Moss {^hagnum acuti~ jolium) 122 Marine Alga {Calltthammon rejractum) 123 Starch—grains of Tous-lcs-Mois X24 Lignine colls of Peach stone, shewing them filled with secondary deposits 125 Tongue of Cricket (^Acbtta damettica) X26 Spinnartts of Spider 127 Tongue of Spider 128 Palate of Snail 129 Black tufted hairs from caterpillar of Tussock Moth 1^0 Head of Gnat iCulex pipitm) 131 Wheel from Chirodota •violacta 132 Acicular spicules of Sponge, in situ 133 Natural group of hthmla enervis, attachet to a piece of Marine Alga 134 Parasitic growths on Conferroid algi {^Apbanochoete) 135 Aulacodiscus Oreganus—13 rays 136 Do, do. 18 „ 137 Systephania corona—Marlbro’deposit, U.S. 138 Coic/«fi//V»ierw/wiirides-Nottingham deposit 139 Diatoms—Red Sea soundings [Surirella lata •var,, and Na'v'tcula crabo) 140 Diatom—Red Sea soundings [Surtrella lata) 141 Do. (^Nk'vkulapraetexta )—Moron de- posit, Province of Seville 142 Diatom—Red Sea8oundings(A/fl'i/k«/tf^r<«) 143 Biddulphia pulchella—3 stages of growth 144 Crystal lization of A lum-cry stals very delicaM 145 Partridge wood 146 Mouth of Scorpion Fly "I NEW SERIES OF POPULAR PHOTO-IVIICROGRAPHS. and will be found equal—we th'nk superior—to anything oi the kind done before. These are our own production, 147 Human Act —male 148 „ „ female 149 ,, parasite, or louic 150 „ „ larva (or nit of the louse) atuched to hair,—this shows how a 6ne comb will remove them 151 Bed bug 151 Itch insect 153 Parasite of the w •54 » "«»«• •55 » . 156 Sheep tick 157 The centipede—natural ate 158 Silkworm, skin of, showing the strange- ment of trachea (respirating tube) 159 Trachea of silkworm further magnified 160 Skin of a water beetle (Dytiscus), showing the spiracles or orifices of the respirating tubes ffil The commoB fsac I b2 The scorpion fly 163 A group of six crickets 164 ,, five spiders 165 „ a doz. earwigs 166 A dragon fly 167 Scales of the sole 168 „ dolphin 169 „ eel 170 Head and lancets of the mosquito 171 Tongue of the blow-fly 172 Orripositum of the saw-fly 173 Compound eye of beetle 174 Antennae of a beetle 175 Tongue of the honey-be^, 176 Sting of the honey-bee X77 Section of lime tree 178 The red ant 179 The hair of the bat 180 The cricket