Archive of Collections




The Cliff Fröhlich Collection


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Favorites

1070

168

Mark 5

F5100

TR3

67/54

8/10

2/83N

366

63/83

1030

Atlas Type 3

Roplex

6280


22

160

200

250

266

274-S

405

Calorie

Baseball

4083-5

N-4096

Analon

27401-X

Moonstick

Biggie Munn Grid Rule

100

Weight Slide Rule

B1

N3-ES

905-ES "A"

311


Longscale

109

1068

1070

Mark 5

F5100

4/87

6280

70

154

200

201

275D

279

279D

N4053-5

4081-5

4081-5

4083-5

68-1200

N-4096

0215

none

F5100

Spectro-Rule

Coil Spring Slide Rule



Aristo

1068

1070

109

168

603

939

40140

968

970

90184


Blundell

G1

humidity ser. 2

Mark 5

F5100


Faber-Castell

TR3

2/83N

366

369

378

379

4/87

62/83N

63/83

67/54

8/10


Graphoplex

Roplex

6280

680


Hemmi

1

22

P23

30

30

30

P35

P36

P37

43A

66

70

74

80K

80/3

DP121

130W

P141

143

149

149A

150

153

154

155

157

160

200

201

250

251

P253 Special

254W

254WN

254WN

255

255D

256

257

257L

258

258

259

259D

260

P261

P262

P263

264

P265

266

P267

269

274

274-S

275D

279

279D

P280

P281

P283

P402

P403

405

405

410

451

451

640S

642T

651

1001

1002

2640

2664S-S

Calorie

Yazaki Aroquicker

Real Estate

Foxboro flow & valve

Hydraulic Rule

Body Weight Balance

Homma Metal Works

Baseball

Kogyo Sekkei… flow

Tube Waterways

Chest/Heart

Homma Metal Works


Keuffel & Esser

Thatcher

N4053-3

N4053-5

4081-3

4081-5

4081-5

4083-5

4093-3

N-4096

4181-1

68-1130

68-1200

Analon

Spring Washer

Time Slide

K&E Pin

K&E Money Clip


Nestler

23R

40

169

0215



Otis King

"L, K & L"


Pickett

no model number

B1

2

N3-T

N3P-T

N3-ES

N3-ES

N3P-ES

4

N4-ES

N15-T

20

62

140

N-515-T

525-ES

N803-T

X-4

905-ES "A"

N1040

N500-ES

N1010-ES

N1010-ES


Post

1445P

1447

1450

1452W

1460

1461

1462H


Sterling

594

651

689


Russian

none

none

none

none

none

none

none

none

none

none

none

PRK-75


Miscellaneous

PSR-101D

Series 1

201

1030

802

F-428

27401-X

252

157

3201

311

1888





Weight Slide Rule

TV Coverage Calculator

F5100

Spectro-Rule

Coil Spring Slide Rule

Machining Calculator




Musketry Rule Model of 1918

P.C.7.A.X

Moonstick

100

Biggie Munn Grid Rule

Atlas Type 3

Calculimetre G. Charpentier

75R

200R


Universal


1650


NG771A

90


E-6B

Fat Finder

Brown Boveri

Spring Calculator


Luna Wheel

New American Metrocaddy



Mechanical Calculators

Type I

Type II

Type II

Model 7