Coat of Arms of the United States first appeared publicly in 1782.
A man exercising with chest weights. In this position, he is extending his arms out, right and left…
A man exercising with chest weights. In this position, he is pushing his arms down, right and left together…
A man exercising with chest weights. In this position, he is pushing his arms forward, right and left…
A man exercising with chest weights. In this position, he is extending his arms out together repeatedly.
A man exercising with chest weights. In this position, he is moving his arms out at the same time, directly…
A man exercising with chest weights. In this position, he is bending down passing his arms under his…
A man exercising with chest weights. In this position, he has bent down and passed his arms under his…
A man exercising with chest weights. In this position, he extends his arms forward and returns.
A man exercising with chest weights. In this position, arms are folded and he repeatedly stretches them…
A man exercising with chest weights. In this position, he extends both arms out at the same time: left…
A man exercising with chest weights. In this position, he extends his arms together in front of him.
A man exercising with chest weights. In this position, he pulls his arms down and back, alternately…
"Fore and Hind Leg of a Tapir. A, scapula; I, ilium, or shinbone of pelvis; H, humerus; F, femur; O,…
Illustration showing that if equal segments measured from the vertex are laid off on the arms of an…
Illustration showing that if equal segments prolonged through the vertex are laid off on the arms of…
"Starfish. I. Ventral surface; t.f., tube-feet extended; a.g., the ambulacral groove with the tube-feet…
"Ventral surface of disc of an Ophiuroid (Ophiothrix fragilis). g., Openings of genital pockets or bursae;…
"Diagrammatic vertical section through disc and base of one of the arms of Antedon rosacea. The section…
"Appendages of Norway lobster. Ex., Exopodite: En., endopodite; protopodite dark throughout; Ep., epipodite.…
"Cypris, side view, after removal of one valve. e., Eye; A.1, first antennae; A.2, second antennae;…
"Acorn-shell (Balanus tintinnabulum). T., tergum; CR., thoracic legs; R., outer shell in section; D.,…
"Dissection of Peripatus. at., Antennae; or.p., oral papillae; c.g., cerebral ganglia; sl.d., duct of…
"Development of blow-fly (Calliphora erythrocephala). (A) shows the adult larva maggot. h., the large…
"Acerentomon, a very primitive insect. H, Head; TH.1, TH.2, TH.3, terga of thoracic segments; 1, 2,…
"Male of Nymphon. PR., Proboscis; CH., chelophores; P., pedipalps; E., eggs carried on ovigerous legs;…
"Diagram of the structure of Sepia. a., Eight short arms around mouth; l.a., one of the two long arms;…
"The Devil-fish (Octopus). A, at rest; B, swimming. a, arms, with suckers on the inner aspect; e, eye;…
French Campaign in the Tyrol. Caption below illustration: "Thousands of my Comrades in arms were crushed,…
"The Proteus anguinus attains a length of about 1 foot. The body is smooth, naked, and eel-like, the…
"In the single fixed pulley (fig. 1) there is no mechanical advantage, the power and weight being equal.…
A genus of rasorial birds, included in the family of partridges, to which they are nearly allied, but…
A group of words or phrase written by figures or pictures of objects whose names resemble in sound the…
A group of words or phrase written by figures or pictures of objects whose names resemble in sound the…
The chief organs of the body from the side. Labels: a, arch of the aorta or main artery of the trunk;…
A diagram of the external structure of an insect. Labels: 1, The head carrying the eyes and the antennae.…
In the Radiata, the starfish manifests one of the simplest forms of nervous systems. it consists of…
The stethograph or pneumograph consists of a thick rubber of elliptical shape about three inches long,…
The Egyptian chair has legs that are prismatic or often turned, frequently with claw feet.
This Antique chest was found in Pompeii. It had the form of boxes, prismatic or widening towards the…