Category:Popular Science Monthly illustrations/Volume 81
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Media in category "Popular Science Monthly illustrations/Volume 81"
The following 154 files are in this category, out of 154 total.
Popular Science Monthly Volume 81.djvu 2,211 × 3,532, 636 pages; 20.87 MB
PSM V81 D026 Trinidad pitch lake.png 1,622 × 815; 363 KB
PSM V81 D027 Shore of pitch lake.png 1,630 × 1,034; 428 KB
PSM V81 D028 Evolution of gas in water.png 1,219 × 934; 415 KB
PSM V81 D028 Soft asphalt rising through water.png 1,224 × 941; 410 KB
PSM V81 D029 Flaking out the pitch.png 1,187 × 920; 284 KB
PSM V81 D030 Winning the crude pitch with refinery in the distance.png 1,630 × 1,238; 637 KB
PSM V81 D031 Loading the crude pitch on cars 1.png 1,633 × 923; 353 KB
PSM V81 D031 Loading the pitch on cars 2.png 1,230 × 940; 282 KB
PSM V81 D032 Transportation of pitch from the refinery to pier.png 1,610 × 952; 321 KB
PSM V81 D033 Road from lake to the pier in the distance.png 1,588 × 1,199; 617 KB
PSM V81 D034 Dumping crude asphalt into hold of vessel.png 1,234 × 1,571; 677 KB
PSM V81 D035 Pier with crude asphalt in buckets.png 1,232 × 935; 341 KB
PSM V81 D036 Pier at brighton trinidad.png 1,630 × 1,257; 447 KB
PSM V81 D036 Pitch cones at the edge of trinidad lake.png 1,635 × 1,244; 516 KB
PSM V81 D037 Plantation buildings in trinidad.png 1,625 × 1,199; 486 KB
PSM V81 D038 Laborers quarters at point dor.png 1,629 × 1,237; 669 KB
PSM V81 D039 Country road in trinidad.png 1,631 × 1,269; 753 KB
PSM V81 D040 High woods trinidad.png 1,236 × 1,679; 849 KB
PSM V81 D046 Common house or typhoid fly.png 846 × 1,463; 83 KB
PSM V81 D046 Puparia and larvae of the house fly.png 834 × 1,846; 629 KB
PSM V81 D048 Unloading a car of stable manure.png 1,410 × 1,023; 389 KB
PSM V81 D049 Horse manure piles in the suburbs.png 1,426 × 1,048; 445 KB
PSM V81 D050 View of an ill kept city stable yard.png 1,435 × 1,113; 437 KB
PSM V81 D056 Untitled image of the sky.png 1,618 × 1,200; 596 KB
PSM V81 D099 Carnegia gigantea.png 822 × 553; 28 KB
PSM V81 D106 Gymnasium of the university of cincinnati.png 1,629 × 1,133; 528 KB
PSM V81 D107 Engineering building of the university of cincinnati.png 1,636 × 1,288; 635 KB
PSM V81 D109 Thomas Harrison Montgomery.png 1,467 × 2,052; 677 KB
PSM V81 D112 Carl Friedrich Gauss.png 1,247 × 1,626; 528 KB
PSM V81 D113 The gauss tower on the hohenhagen.png 1,171 × 1,652; 465 KB
PSM V81 D114 Gauss birthplace in braunschweig.png 1,189 × 1,768; 604 KB
PSM V81 D116 Statue of gauss on the potsdamer bridge in berlin.png 1,301 × 1,566; 561 KB
PSM V81 D177 Bermudez pitch lake in venezuela.png 1,618 × 1,239; 471 KB
PSM V81 D178 Bermudez lake to guanaco railway.png 1,630 × 1,233; 587 KB
PSM V81 D179 Bermudez crude asphalt dump at guanaco.png 1,623 × 1,222; 639 KB
PSM V81 D180 Guanaco pier railway terminal.png 1,624 × 1,238; 568 KB
PSM V81 D181 A residence at guanaco.png 1,622 × 1,259; 755 KB
PSM V81 D182 The pier at guanaco.png 1,629 × 1,273; 576 KB
PSM V81 D183 Guanaco river as seen from the pier.png 1,616 × 1,215; 347 KB
PSM V81 D184 Guanaco river in venezuela.png 1,613 × 1,211; 349 KB
PSM V81 D185 Pavement in washington dc from trinidad lake asphalt.png 1,623 × 1,099; 224 KB
PSM V81 D185 Section of the vermont avenue pavement.png 1,613 × 571; 284 KB
PSM V81 D186 Fifth ave nyc paved with trinidad asphalt in 1897.png 1,627 × 1,079; 464 KB
PSM V81 D187 Victoria embankment in london paved with trinidad lake asphalt.png 1,628 × 980; 535 KB
PSM V81 D210 Per square mile us population distribution in 1910.png 1,613 × 1,024; 401 KB
PSM V81 D211 Percent increase of us population between 1900 to 1910.png 1,606 × 1,026; 280 KB
PSM V81 D212 Dispensary group at public school fairmon nc in 1911.png 1,623 × 1,110; 646 KB
PSM V81 D213 Ralph Stockman Tarr.png 1,428 × 2,159; 935 KB
PSM V81 D234 Toyalane near luni pueblo new mexico.png 2,915 × 1,652; 1.32 MB
PSM V81 D236 Enchanted mesa in western new mexico.png 1,634 × 1,646; 714 KB
PSM V81 D237 Tooth of time new acoma pueblo new mexico.png 1,623 × 1,664; 502 KB
PSM V81 D238 Outliers of the great acoma mesa.png 1,591 × 1,221; 989 KB
PSM V81 D239 An isolated mesa near acoma pueblo.png 1,619 × 1,252; 393 KB
PSM V81 D240 Cretacic sandstone and breccia near los cerrillos new mexico.png 1,625 × 1,257; 516 KB
PSM V81 D241 Face of the high acoma mesa.png 1,622 × 1,265; 471 KB
PSM V81 D242 Forest of denuded volcanic rocks san mateo new mexico.png 2,922 × 1,507; 1.14 MB
PSM V81 D268 Narinari spotted eagle ray.png 1,652 × 2,245; 303 KB
PSM V81 D270 Niqui fish from brazil.png 1,396 × 481; 82 KB
PSM V81 D273 Water color painting of narinari.png 1,200 × 1,348; 137 KB
PSM V81 D275 Oil painting of a narinari.png 1,644 × 1,272; 200 KB
PSM V81 D276 Frontispiece of the oil painting collection of dr mentzel.png 1,655 × 2,594; 1.04 MB
PSM V81 D310 Intragastric oscillations recorded by a pneumograph.png 1,006 × 913; 122 KB
PSM V81 D311 Intragastric oscillations of hunger recorded by a pneumograph.png 1,727 × 789; 132 KB
PSM V81 D311 Oscillations of the esophagus by a pneumograph.png 939 × 686; 65 KB
PSM V81 D314 Drawing of burlington house by lady huggins.png 1,097 × 1,536; 538 KB
PSM V81 D315 Principal library of the royal society.png 1,605 × 1,673; 1.03 MB
PSM V81 D316 Old gresham college.png 1,661 × 894; 286 KB
PSM V81 D317 Tokyo shrine of robert koch.png 1,219 × 1,637; 671 KB
PSM V81 D320 Unusually symmetrical guayule plant.png 1,229 × 1,209; 628 KB
PSM V81 D321 A large fifty years old guayule plant.png 859 × 1,321; 182 KB
PSM V81 D321 Asa gray specimen of a guayule plant.png 780 × 1,994; 180 KB
PSM V81 D322 Prehistoric rubber from sasco arizona.png 835 × 1,030; 223 KB
PSM V81 D323 Flowers of the guayule.png 1,324 × 1,111; 80 KB
PSM V81 D324 A fine source of guayule from sierra gojada mexico.png 1,606 × 1,147; 646 KB
PSM V81 D325 A fine source of guayule near las caopas zacatecas.png 1,625 × 1,104; 699 KB
PSM V81 D326 Transverse section of a two year old guayule stem.png 824 × 1,399; 229 KB
PSM V81 D327 Hauling guayule in mexico.png 1,627 × 1,064; 522 KB
PSM V81 D328 Packing guayule rubber at torreon coahuilla.png 1,631 × 1,040; 587 KB
PSM V81 D330 Average accretion of guayule growth.png 753 × 2,227; 184 KB
PSM V81 D332 Development of the guayule plant from sees and shoots.png 1,644 × 2,146; 262 KB
PSM V81 D333 Guayule experimental cultivation garden in cedros zacatecas 1.png 1,608 × 1,282; 699 KB
PSM V81 D333 Guayule experimental cultivation garden in cedros zacatecas 2.png 1,633 × 1,177; 575 KB
PSM V81 D377 Mating results between barred plymouth rock males and females.png 1,722 × 1,964; 239 KB
PSM V81 D415 The keeler memorial reflector telescope.png 1,612 × 1,226; 593 KB
PSM V81 D416 The new allegheny observatory.png 3,009 × 1,403; 956 KB
PSM V81 D417 The thaw photographic refractor.png 1,236 × 1,610; 636 KB
PSM V81 D419 Louis Joseph Troost.png 1,489 × 2,146; 1.08 MB
PSM V81 D424 Dense forest at ohakune new zealand.png 1,627 × 1,215; 769 KB
PSM V81 D426 The kauri at owharoa nz agathis australis.png 1,547 × 2,981; 1.22 MB
PSM V81 D428 Thermal region near rotorua new zealand.png 2,981 × 1,589; 948 KB
PSM V81 D430 Lake tikitapau near rotorua new zealand.png 2,984 × 1,597; 911 KB
PSM V81 D432 The botanic garden at sydney australia.png 1,601 × 1,187; 522 KB
PSM V81 D434 Platycerium the stag horn fern.png 1,200 × 1,813; 677 KB
PSM V81 D435 A krall in zululand.png 1,617 × 1,235; 454 KB
PSM V81 D436 Euphorbia tetragona near cathcart south africa.png 1,632 × 1,393; 746 KB
PSM V81 D437 View in botanical garden at port elizabeth.png 1,603 × 1,269; 492 KB
PSM V81 D438 Encephalartos horridus in st george park port elizabeth.png 1,576 × 1,185; 888 KB
PSM V81 D444 Anaphylaxis and the remedial effects of atropin.png 1,196 × 939; 204 KB
PSM V81 D472 Lesser migratory and differential locusts or grasshoppers.png 1,576 × 350; 69 KB
PSM V81 D472 Pellucid and the red legged locusts or grasshoppers.png 1,702 × 325; 69 KB
PSM V81 D472 The short winged locust or grasshopper.png 664 × 354; 45 KB
PSM V81 D472 Two striped locust or grasshopper.png 1,649 × 303; 64 KB
PSM V81 D474 A hopper dozer in action.png 1,625 × 1,147; 504 KB
PSM V81 D475 Removing dead hoppers from hopper dozer.png 1,627 × 1,208; 559 KB
PSM V81 D476 Spraying for grasshoppers with arsenite of soda.png 1,628 × 1,278; 682 KB
PSM V81 D477 Another view of the spraying outfit.png 1,589 × 1,112; 516 KB
PSM V81 D478 Mites on a grasshopper.png 1,226 × 1,110; 240 KB
PSM V81 D522 New york state education building.png 2,836 × 1,574; 1.02 MB
PSM V81 D523 Loggia behind the south colonnade.png 1,250 × 1,574; 687 KB
PSM V81 D524 Dome of the foyer looking into the hall of zoology.png 1,629 × 1,306; 639 KB
PSM V81 D525 Part of the hall of geology.png 1,627 × 1,251; 497 KB
PSM V81 D529 Pillar dollar of 1661.png 1,482 × 1,087; 432 KB
PSM V81 D531 Evolution of the dollar symbol.png 655 × 311; 11 KB
PSM V81 D533 Symbols of the spanish dollar.png 1,877 × 2,614; 189 KB
PSM V81 D534 The modern dollar mark in the making.png 1,637 × 1,028; 407 KB
PSM V81 D537 What forestry science does.png 1,636 × 1,111; 661 KB
PSM V81 D538 A natural forest of white pine in minnesota.png 1,621 × 1,099; 718 KB
PSM V81 D539 Eradicated white pine forest from non agricultural land.png 1,634 × 1,335; 477 KB
PSM V81 D540 Natural white pine growth of trees planted by daniel webster.png 1,639 × 1,340; 668 KB
PSM V81 D541 Natural red norway pine forest in minnesota.png 1,237 × 1,747; 768 KB
PSM V81 D541 Natural red norway pine forest on chippewa reservation in minnesota.png 1,628 × 1,134; 690 KB
PSM V81 D608 Evolution of numeric symbols 1.png 553 × 102; 3 KB
PSM V81 D608 Evolution of numeric symbols 2.png 525 × 109; 3 KB
PSM V81 D608 Evolution of numeric symbols 3.png 1,088 × 121; 7 KB
PSM V81 D609 Evolution of numeric symbols 1.png 153 × 155; 2 KB
PSM V81 D609 Evolution of numeric symbols 2.png 186 × 169; 2 KB
PSM V81 D610 Evolution of numeric symbols.png 329 × 193; 6 KB
PSM V81 D611 Evolution of numeric symbols 1.png 683 × 179; 6 KB
PSM V81 D611 Evolution of numeric symbols 2.png 1,139 × 304; 22 KB
PSM V81 D611 Evolution of numeric symbols 3.png 1,107 × 216; 13 KB
PSM V81 D611 Evolution of numeric symbols 4.png 1,231 × 602; 38 KB
PSM V81 D611 Evolution of numeric symbols 5.png 1,167 × 528; 35 KB
PSM V81 D614 Evolution of numeric symbols.png 205 × 96; 3 KB
PSM V81 D615 Evolution of numeric symbols 1.png 528 × 112; 4 KB
PSM V81 D615 Evolution of numeric symbols 2.png 1,442 × 136; 11 KB
PSM V81 D616 Evolution of numeric symbols.png 1,148 × 684; 39 KB
PSM V81 D617 Evolution of numeric symbols 1.png 416 × 165; 5 KB
PSM V81 D617 Evolution of numeric symbols 2.png 666 × 134; 5 KB
PSM V81 D617 Evolution of numeric symbols 3.png 652 × 134; 6 KB
PSM V81 D617 Evolution of numeric symbols 4.png 1,215 × 254; 16 KB
PSM V81 D617 Evolution of numeric symbols 5.png 1,140 × 162; 11 KB
PSM V81 D618 Evolution of numeric symbols 1.png 1,209 × 311; 21 KB
PSM V81 D618 Evolution of numeric symbols 2.png 978 × 366; 22 KB
PSM V81 D618 Evolution of numeric symbols 3.png 719 × 111; 6 KB
PSM V81 D618 Evolution of numeric symbols 4.png 1,238 × 151; 9 KB
PSM V81 D618 Evolution of numeric symbols 5.png 524 × 129; 5 KB
PSM V81 D618 Evolution of numeric symbols 6.png 1,088 × 153; 9 KB
PSM V81 D618 Evolution of numeric symbols 7.png 756 × 126; 7 KB
PSM V81 D620 Alexis Carrel.png 1,669 × 2,304; 1.15 MB
PSM V81 D622 Simon Flexner.png 1,637 × 2,159; 1.11 MB
PSM V81 D625 Lewis Boss.png 1,374 × 1,878; 695 KB
