IIH 



THE OOLOGIST. 



Measure your Specimens, 



No. 1 is the Caliper Rule of which we have s M over n thousaud dnriii^' the past few 

 yenrs, is a hue six iuch, brass trimmed fohliu}^ rule wilh a brass Caliper attachment, rej^- 

 isterin-:^ 16ths. Should you des re the result iu lOOths you can readily obtain it by mnl- 

 ?:i plying by (3.{. Price 'iocts. 



No. 2 is a plain .'5 in. steel rule marked 

 in lOOths. Price jwstpaid GOcts 



No. ;'. this is a pair i 



of Calipers which is 



'.very convenient to 



use when measurint^ 



specimens with rule 



No. 2. Price postpaid 25cts. 



2 in. size .fl>..jO 



4 in. size 4. .'JO 



postpaid at these prices, this squaie is ex- 

 actly like the above cut-except that it is 

 divided in lOOths, and is without the adjust- 

 ing screw "a"'. 

 .\ddress, 



FRANK H. LATTIN, 



Albion, N. Y. 



Dot it Down. 



Every 



ollector should have one or nic^re 

 No. 4 is a steel Cahper Rule registering of our vest pocket notebooks, and should 



always keep one in their pocket so that 

 when they observe anything interesting or 

 unusual they can ' ' dot it down ' ' on the 

 spot. We have jiast obtained a new lot of 

 note-books, two styles, and ofier them at 



lOOths. This cut shows the exact style. 

 When closed this rule is 8 in. long. The 

 C-iliper can be drawn out to measure 2^ iu. 

 The thickness of the rule is ^ in. Price $2.50. 



No. 5 is a 1 iu. steel Rule with 

 the following graduations, viz.: — 



l(;ths, ."iOths, G4ths, and lOOths, prices so reasonable that a collector cannot 

 _ they are furnished with split ring } aftbrd to be without them. 

 3|and make a lirst-class Watch 

 Guard Charm. 



We can furnish them as follows 



Plain Steel 

 Nickel plated 

 Silver " 

 Cxold 



each 



f.30 

 .40 

 ..-.0 

 .75 



ii 



tas 



jiMiiiliililililiLlililiLlililililililiIri 



No. C) Caliper Square steel divided in 

 lOOths. This is unquestionably the best 

 article ever offered for measuring speci- 

 mens wj can furnish these squares iu two 

 sizes. 



Style 1, contains 36 pngcs, ruled and 

 cross-ruled, size 2^ x .")^ in., bound in Press 

 Board covers. Price each, (ic; two for 10c; 

 or 6 for 25c. 



Style 2, is •' high toned'' in every respect 

 tHjntains 72 pages, extra quality, ruled and 

 cross-ruled paper, size 2^ x 5^ in., hand- 

 somely bound in flexible red leather coveis. 

 Each 15c ; two for 28c; or six for 75c . 

 Address 



FRANK H. LATTIN. 



Albi n. N. Y. 



Large, well illustrated 48 page book, 5c. 



W. F. Greany, 



827 Brannan St. 



:au Francisco, C'ah 

 t£ 



